16650775554336 has 1152 divisors, whose sum is σ = 63421142593536. Its totient is φ = 4015183011840.

The previous prime is 16650775554319. The next prime is 16650775554383. The reversal of 16650775554336 is 63345557705661.

16650775554336 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 0 + 7 + 7 + 55 + 543 + 36 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10322860666 + ... + 10322862278.

It is an arithmetic number, because the mean of its divisors is an integer number (55053075168).

Almost surely, 2^{16650775554336} is an apocalyptic number.

16650775554336 is a gapful number since it is divisible by the number (16) 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 16650775554336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31710571296768).

16650775554336 is an abundant number, since it is smaller than the sum of its proper divisors (46770367039200).

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

16650775554336 is a wasteful number, since it uses less digits than its factorization.

16650775554336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 238140000, while the sum is 63.

The spelling of 16650775554336 in words is "sixteen trillion, six hundred fifty billion, seven hundred seventy-five million, five hundred fifty-four thousand, three hundred thirty-six".