165137575076 has 6 divisors (see below), whose sum is σ = 288990756390. Its totient is φ = 82568787536.

The previous prime is 165137575049. The next prime is 165137575079. The reversal of 165137575076 is 670575731561.

It can be written as a sum of positive squares in only one way, i.e., 157950604900 + 7186970176 = 397430^2 + 84776^2 .

It is not an unprimeable number, because it can be changed into a prime (165137575079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20642196881 + ... + 20642196888.

It is an arithmetic number, because the mean of its divisors is an integer number (48165126065).

Almost surely, 2^165137575076 is an apocalyptic number.

It is an amenable number.

165137575076 is a deficient number, since it is larger than the sum of its proper divisors (123853181314).

165137575076 is a wasteful number, since it uses less digits than its factorization.

165137575076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41284393773 (or 41284393771 counting only the distinct ones).

The product of its (nonzero) digits is 4630500, while the sum is 53.

The spelling of 165137575076 in words is "one hundred sixty-five billion, one hundred thirty-seven million, five hundred seventy-five thousand, seventy-six".