16856243562 has 16 divisors (see below), whose sum is σ = 34874987040. Its totient is φ = 5424997872.

The previous prime is 16856243557. The next prime is 16856243639. The reversal of 16856243562 is 26534265861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48437308 + ... + 48437655.

It is an arithmetic number, because the mean of its divisors is an integer number (2179686690).

Almost surely, 2^16856243562 is an apocalyptic number.

16856243562 is an abundant number, since it is smaller than the sum of its proper divisors (18018743478).

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

16856243562 is a wasteful number, since it uses less digits than its factorization.

16856243562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96874997.

The product of its digits is 2073600, while the sum is 48.

The spelling of 16856243562 in words is "sixteen billion, eight hundred fifty-six million, two hundred forty-three thousand, five hundred sixty-two".