16490211154560 has 3840 divisors, whose sum is σ = 75812601110400. Its totient is φ = 3356962652160.

The previous prime is 16490211154559. The next prime is 16490211154577. The reversal of 16490211154560 is 6545111209461.

16490211154560 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 0 + 21 + 11 + 54 + 560 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 311136059494 + ... + 311136059546.

Almost surely, 2^{16490211154560} is an apocalyptic number.

16490211154560 is a gapful number since it is divisible by the number (10) 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 16490211154560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37906300555200).

16490211154560 is an abundant number, since it is smaller than the sum of its proper divisors (59322389955840).

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

16490211154560 is a wasteful number, since it uses less digits than its factorization.

16490211154560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 16490211154560 in words is "sixteen trillion, four hundred ninety billion, two hundred eleven million, one hundred fifty-four thousand, five hundred sixty".