165650616 has 32 divisors (see below), whose sum is σ = 460141200. Its totient is φ = 55216800.

The previous prime is 165650587. The next prime is 165650621. The reversal of 165650616 is 616056561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383235 + ... + 383666.

Almost surely, 2^165650616 is an apocalyptic number.

It is an amenable number.

165650616 is an abundant number, since it is smaller than the sum of its proper divisors (294490584).

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

165650616 is a wasteful number, since it uses less digits than its factorization.

165650616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766916 (or 766906 counting only the distinct ones).

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

The square root of 165650616 is about 12870.5328561020. The cubic root of 165650616 is about 549.2006194441.

The spelling of 165650616 in words is "one hundred sixty-five million, six hundred fifty thousand, six hundred sixteen".