16164272404 has 24 divisors (see below), whose sum is σ = 32338351808. Its totient is φ = 6925443840.

The previous prime is 16164272357. The next prime is 16164272407. The reversal of 16164272404 is 40427246161.

It is a super-2 number, since 2×16164272404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164272407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8227 + ... + 179989.

Almost surely, 2^16164272404 is an apocalyptic number.

16164272404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16164272404 is an abundant number, since it is smaller than the sum of its proper divisors (16174079404).

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

16164272404 is a wasteful number, since it uses less digits than its factorization.

16164272404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175135 (or 175133 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 16164272404 in words is "sixteen billion, one hundred sixty-four million, two hundred seventy-two thousand, four hundred four".