164277056 has 14 divisors (see below), whose sum is σ = 325987410. Its totient is φ = 82138496.

The previous prime is 164277049. The next prime is 164277073. The reversal of 164277056 is 650772461.

It can be written as a sum of positive squares in only one way, i.e., 163430656 + 846400 = 12784^2 + 920^2 .

It is a super-2 number, since 2×164277056² = 53973902256054272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283351 + ... + 1283478.

It is an arithmetic number, because the mean of its divisors is an integer number (23284815).

Almost surely, 2^164277056 is an apocalyptic number.

164277056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164277056 is a deficient number, since it is larger than the sum of its proper divisors (161710354).

164277056 is an equidigital number, since it uses as much as digits as its factorization.

164277056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566841 (or 2566831 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 164277056 is about 12817.0611296038. The cubic root of 164277056 is about 547.6784303373.

The spelling of 164277056 in words is "one hundred sixty-four million, two hundred seventy-seven thousand, fifty-six".