165572050 has 48 divisors (see below), whose sum is σ = 353191680. Its totient is φ = 56568960.

The previous prime is 165572021. The next prime is 165572081. The reversal of 165572050 is 50275561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127806 + ... + 129094.

It is an arithmetic number, because the mean of its divisors is an integer number (7358160).

Almost surely, 2^165572050 is an apocalyptic number.

165572050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165572050 is an abundant number, since it is smaller than the sum of its proper divisors (187619630).

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

165572050 is a wasteful number, since it uses less digits than its factorization.

165572050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 165572050 is about 12867.4803283316. The cubic root of 165572050 is about 549.1137794023.

The spelling of 165572050 in words is "one hundred sixty-five million, five hundred seventy-two thousand, fifty".