16810022664 has 56 divisors (see below), whose sum is σ = 47256587310. Its totient is φ = 5603338944.

The previous prime is 16810022657. The next prime is 16810022689. The reversal of 16810022664 is 46622001861.

It can be written as a sum of positive squares in only one way, i.e., 14049360900 + 2760661764 = 118530^2 + 52542^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1435357 + ... + 1447020.

Almost surely, 2^16810022664 is an apocalyptic number.

It is an amenable number.

16810022664 is an abundant number, since it is smaller than the sum of its proper divisors (30446564646).

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

16810022664 is an equidigital number, since it uses as much as digits as its factorization.

16810022664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882401 (or 2882382 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 16810022664 in words is "sixteen billion, eight hundred ten million, twenty-two thousand, six hundred sixty-four".