165925134 has 96 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 49971456.

The previous prime is 165925129. The next prime is 165925171. The reversal of 165925134 is 431529561.

165925134 is a `hidden beast` number, since 16 + 592 + 51 + 3 + 4 = 666.

165925134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1193637 + ... + 1193775.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^165925134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165925134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198132480).

165925134 is an abundant number, since it is smaller than the sum of its proper divisors (230339826).

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

165925134 is a wasteful number, since it uses less digits than its factorization.

165925134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 291 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 165925134 is about 12881.1930348085. The cubic root of 165925134 is about 549.5038324203.

The spelling of 165925134 in words is "one hundred sixty-five million, nine hundred twenty-five thousand, one hundred thirty-four".