164472726 has 16 divisors (see below), whose sum is σ = 358849728. Its totient is φ = 49840200.

The previous prime is 164472719. The next prime is 164472731. The reversal of 164472726 is 627274461.

It is a congruent number.

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, 1245940 + ... + 1246071.

It is an arithmetic number, because the mean of its divisors is an integer number (22428108).

Almost surely, 2^164472726 is an apocalyptic number.

164472726 is an abundant number, since it is smaller than the sum of its proper divisors (194377002).

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

164472726 is a wasteful number, since it uses less digits than its factorization.

164472726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492027.

The product of its digits is 112896, while the sum is 39.

The square root of 164472726 is about 12824.6920430863. The cubic root of 164472726 is about 547.8957902079.

The spelling of 164472726 in words is "one hundred sixty-four million, four hundred seventy-two thousand, seven hundred twenty-six".