165562625 has 16 divisors (see below), whose sum is σ = 215609472. Its totient is φ = 126689200.

The previous prime is 165562597. The next prime is 165562651. The reversal of 165562625 is 526265561.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-165562625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25919 + ... + 31668.

It is an arithmetic number, because the mean of its divisors is an integer number (13475592).

Almost surely, 2^165562625 is an apocalyptic number.

It is an amenable number.

165562625 is a deficient number, since it is larger than the sum of its proper divisors (50046847).

165562625 is an equidigital number, since it uses as much as digits as its factorization.

165562625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57625 (or 57615 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 165562625 is about 12867.1140898027. The cubic root of 165562625 is about 549.1033599795.

The spelling of 165562625 in words is "one hundred sixty-five million, five hundred sixty-two thousand, six hundred twenty-five".