165137763 has 16 divisors (see below), whose sum is σ = 252011520. Its totient is φ = 94224576.

The previous prime is 165137741. The next prime is 165137801. The reversal of 165137763 is 367731561.

It is not a de Polignac number, because 165137763 - 2¹² = 165133667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165137363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9631 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (15750720).

Almost surely, 2^165137763 is an apocalyptic number.

165137763 is a deficient number, since it is larger than the sum of its proper divisors (86873757).

165137763 is a wasteful number, since it uses less digits than its factorization.

165137763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666.

The product of its digits is 79380, while the sum is 39.

The square root of 165137763 is about 12850.5938773272. The cubic root of 165137763 is about 548.6332599324.

The spelling of 165137763 in words is "one hundred sixty-five million, one hundred thirty-seven thousand, seven hundred sixty-three".