165962406 has 16 divisors (see below), whose sum is σ = 342632448. Its totient is φ = 53536200.

The previous prime is 165962399. The next prime is 165962479. The reversal of 165962406 is 604269561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445950 + ... + 446321.

It is an arithmetic number, because the mean of its divisors is an integer number (21414528).

Almost surely, 2^165962406 is an apocalyptic number.

165962406 is an abundant number, since it is smaller than the sum of its proper divisors (176670042).

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

165962406 is a wasteful number, since it uses less digits than its factorization.

165962406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892307.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 165962406 is about 12882.6397139717. The cubic root of 165962406 is about 549.5449746169.

The spelling of 165962406 in words is "one hundred sixty-five million, nine hundred sixty-two thousand, four hundred six".