165061964 has 12 divisors (see below), whose sum is σ = 288951600. Its totient is φ = 82504368.

The previous prime is 165061957. The next prime is 165061969. The reversal of 165061964 is 469160561.

165061964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165061969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15482 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (24079300).

Almost surely, 2^165061964 is an apocalyptic number.

It is an amenable number.

165061964 is a deficient number, since it is larger than the sum of its proper divisors (123889636).

165061964 is a wasteful number, since it uses less digits than its factorization.

165061964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312 (or 13310 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 165061964 is about 12847.6442976913. The cubic root of 165061964 is about 548.5493053480.

The spelling of 165061964 in words is "one hundred sixty-five million, sixty-one thousand, nine hundred sixty-four".