16790425864 has 16 divisors (see below), whose sum is σ = 32076050220. Its totient is φ = 8236812480.

The previous prime is 16790425843. The next prime is 16790425867. The reversal of 16790425864 is 46852409761.

It can be written as a sum of positive squares in 2 ways, for example, as 15610503364 + 1179922500 = 124942^2 + 34350^2 .

It is not an unprimeable number, because it can be changed into a prime (16790425867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19799607 + ... + 19800454.

Almost surely, 2^16790425864 is an apocalyptic number.

It is an amenable number.

16790425864 is a deficient number, since it is larger than the sum of its proper divisors (15285624356).

16790425864 is a wasteful number, since it uses less digits than its factorization.

16790425864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39600120 (or 39600116 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 16790425864 in words is "sixteen billion, seven hundred ninety million, four hundred twenty-five thousand, eight hundred sixty-four".