165960966 has 16 divisors (see below), whose sum is σ = 332362800. Its totient is φ = 55246848.

The previous prime is 165960937. The next prime is 165961039. The reversal of 165960966 is 669069561.

165960966 is digitally balanced in base 3, 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 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, 13371 + ... + 22598.

It is an arithmetic number, because the mean of its divisors is an integer number (20772675).

Almost surely, 2^165960966 is an apocalyptic number.

165960966 is an abundant number, since it is smaller than the sum of its proper divisors (166401834).

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

165960966 is a wasteful number, since it uses less digits than its factorization.

165960966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36743.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 165960966 is about 12882.5838246836. The cubic root of 165960966 is about 549.5433852067.

The spelling of 165960966 in words is "one hundred sixty-five million, nine hundred sixty thousand, nine hundred sixty-six".