165132078 has 32 divisors (see below), whose sum is σ = 348224640. Its totient is φ = 52060320.

The previous prime is 165132053. The next prime is 165132161. The reversal of 165132078 is 870231561.

It is a Curzon number.

It is a congruent 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, 132876 + ... + 134112.

It is an arithmetic number, because the mean of its divisors is an integer number (10882020).

Almost surely, 2^165132078 is an apocalyptic number.

165132078 is an abundant number, since it is smaller than the sum of its proper divisors (183092562).

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

165132078 is a wasteful number, since it uses less digits than its factorization.

165132078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 165132078 is about 12850.3726794206. The cubic root of 165132078 is about 548.6269641468.

The spelling of 165132078 in words is "one hundred sixty-five million, one hundred thirty-two thousand, seventy-eight".