16810572912 has 80 divisors (see below), whose sum is σ = 51342666240. Its totient is φ = 4637396736.

The previous prime is 16810572907. The next prime is 16810572923. The reversal of 16810572912 is 21927501861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852868 + ... + 872355.

It is an arithmetic number, because the mean of its divisors is an integer number (641783328).

Almost surely, 2^16810572912 is an apocalyptic number.

16810572912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16810572912 is an abundant number, since it is smaller than the sum of its proper divisors (34532093328).

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

16810572912 is a wasteful number, since it uses less digits than its factorization.

16810572912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725270 (or 1725264 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 16810572912 in words is "sixteen billion, eight hundred ten million, five hundred seventy-two thousand, nine hundred twelve".