165087716 has 12 divisors (see below), whose sum is σ = 293640060. Its totient is φ = 81190560.

The previous prime is 165087701. The next prime is 165087719. The reversal of 165087716 is 617780561.

165087716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28665316 + 136422400 = 5354^2 + 11680^2 .

It is not an unprimeable number, because it can be changed into a prime (165087719) 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, 338051 + ... + 338538.

It is an arithmetic number, because the mean of its divisors is an integer number (24470005).

Almost surely, 2^165087716 is an apocalyptic number.

It is an amenable number.

165087716 is a deficient number, since it is larger than the sum of its proper divisors (128552344).

165087716 is a wasteful number, since it uses less digits than its factorization.

165087716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676654 (or 676652 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 165087716 is about 12848.6464656788. The cubic root of 165087716 is about 548.5778310135.

The spelling of 165087716 in words is "one hundred sixty-five million, eighty-seven thousand, seven hundred sixteen".