165227568 has 40 divisors (see below), whose sum is σ = 465642816. Its totient is φ = 50068800.

The previous prime is 165227509. The next prime is 165227599. The reversal of 165227568 is 865722561.

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, 155938 + ... + 156993.

Almost surely, 2^165227568 is an apocalyptic number.

It is an amenable number.

165227568 is an abundant number, since it is smaller than the sum of its proper divisors (300415248).

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

165227568 is a wasteful number, since it uses less digits than its factorization.

165227568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312953 (or 312947 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 165227568 is about 12854.0875988924. The cubic root of 165227568 is about 548.7326942479.

It can be divided in two parts, 16522 and 7568, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 165227568 in words is "one hundred sixty-five million, two hundred twenty-seven thousand, five hundred sixty-eight".