16541862912 has 264 divisors, whose sum is σ = 49549682000. Its totient is φ = 5311070208.

The previous prime is 16541862907. The next prime is 16541862947. The reversal of 16541862912 is 21926814561.

16541862912 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 1 + 8 + 629 + 12 = 666.

It is a super-2 number, since 2×16541862912² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47397714 + ... + 47398062.

Almost surely, 2^16541862912 is an apocalyptic number.

16541862912 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 16541862912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24774841000).

16541862912 is an abundant number, since it is smaller than the sum of its proper divisors (33007819088).

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

16541862912 is a wasteful number, since it uses less digits than its factorization.

16541862912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 530 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 16541862912 in words is "sixteen billion, five hundred forty-one million, eight hundred sixty-two thousand, nine hundred twelve".