164274256 has 20 divisors (see below), whose sum is σ = 318491892. Its totient is φ = 82082816.

The previous prime is 164274251. The next prime is 164274269. The reversal of 164274256 is 652472461.

It can be written as a sum of positive squares in 2 ways, for example, as 59907600 + 104366656 = 7740^2 + 10216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164274251) 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, 34110 + ... + 38626.

Almost surely, 2^164274256 is an apocalyptic number.

164274256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164274256 is a deficient number, since it is larger than the sum of its proper divisors (154217636).

164274256 is a wasteful number, since it uses less digits than its factorization.

164274256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798 (or 6792 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 164274256 is about 12816.9518997303. The cubic root of 164274256 is about 547.6753187072.

The spelling of 164274256 in words is "one hundred sixty-four million, two hundred seventy-four thousand, two hundred fifty-six".