16504990577712 has 960 divisors, whose sum is σ = 59504124825600. Its totient is φ = 4153623183360.

The previous prime is 16504990577693. The next prime is 16504990577731. The reversal of 16504990577712 is 21777509940561.

16504990577712 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 49 + 9 + 0 + 577 + 7 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (16504990577693) and next prime (16504990577731).

It is a super-2 number, since 2×16504990577712² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 16504990577712.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14314822128 + ... + 14314823280.

It is an arithmetic number, because the mean of its divisors is an integer number (61983463360).

Almost surely, 2^{16504990577712} is an apocalyptic number.

16504990577712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16504990577712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29752062412800).

16504990577712 is an abundant number, since it is smaller than the sum of its proper divisors (42999134247888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16504990577712 is a wasteful number, since it uses less digits than its factorization.

16504990577712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 63.

The spelling of 16504990577712 in words is "sixteen trillion, five hundred four billion, nine hundred ninety million, five hundred seventy-seven thousand, seven hundred twelve".