16865244804 has 12 divisors (see below), whose sum is σ = 39352237904. Its totient is φ = 5621748264.

The previous prime is 16865244793. The next prime is 16865244821. The reversal of 16865244804 is 40844256861.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702718522 + ... + 702718545.

Almost surely, 2^16865244804 is an apocalyptic number.

It is an amenable number.

16865244804 is an abundant number, since it is smaller than the sum of its proper divisors (22486993100).

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

16865244804 is a wasteful number, since it uses less digits than its factorization.

16865244804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405437074 (or 1405437072 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 16865244804 in words is "sixteen billion, eight hundred sixty-five million, two hundred forty-four thousand, eight hundred four".