167490256 has 20 divisors (see below), whose sum is σ = 343601892. Its totient is φ = 78818816.

The previous prime is 167490247. The next prime is 167490287. The reversal of 167490256 is 652094761.

It can be written as a sum of positive squares in 2 ways, for example, as 128051856 + 39438400 = 11316^2 + 6280^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307615 + ... + 308158.

Almost surely, 2^167490256 is an apocalyptic number.

167490256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

167490256 is an abundant number, since it is smaller than the sum of its proper divisors (176111636).

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

167490256 is a wasteful number, since it uses less digits than its factorization.

167490256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615798 (or 615792 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 167490256 is about 12941.8026565081. The cubic root of 167490256 is about 551.2261964585.

The spelling of 167490256 in words is "one hundred sixty-seven million, four hundred ninety thousand, two hundred fifty-six".