165950536 has 16 divisors (see below), whose sum is σ = 311587200. Its totient is φ = 82860624.

The previous prime is 165950531. The next prime is 165950537. The reversal of 165950536 is 635059561.

It is not an unprimeable number, because it can be changed into a prime (165950531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8016 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (19474200).

Almost surely, 2^165950536 is an apocalyptic number.

It is an amenable number.

165950536 is a deficient number, since it is larger than the sum of its proper divisors (145636664).

165950536 is a wasteful number, since it uses less digits than its factorization.

165950536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28668 (or 28664 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 165950536 is about 12882.1790082268. The cubic root of 165950536 is about 549.5318727454.

The spelling of 165950536 in words is "one hundred sixty-five million, nine hundred fifty thousand, five hundred thirty-six".