165087628 has 6 divisors (see below), whose sum is σ = 288903356. Its totient is φ = 82543812.

The previous prime is 165087623. The next prime is 165087653. The reversal of 165087628 is 826780561.

It is not an unprimeable number, because it can be changed into a prime (165087623) by changing a digit.

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 as a sum of consecutive naturals, namely, 20635950 + ... + 20635957.

Almost surely, 2^165087628 is an apocalyptic number.

It is an amenable number.

165087628 is a deficient number, since it is larger than the sum of its proper divisors (123815728).

165087628 is a wasteful number, since it uses less digits than its factorization.

165087628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41271911 (or 41271909 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 165087628 is about 12848.6430411931. The cubic root of 165087628 is about 548.5777335404.

The spelling of 165087628 in words is "one hundred sixty-five million, eighty-seven thousand, six hundred twenty-eight".