165160680 has 32 divisors (see below), whose sum is σ = 495482400. Its totient is φ = 44042816.

The previous prime is 165160651. The next prime is 165160691. The reversal of 165160680 is 86061561.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 688050 + ... + 688289.

It is an arithmetic number, because the mean of its divisors is an integer number (15483825).

Almost surely, 2^165160680 is an apocalyptic number.

165160680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165160680 is an abundant number, since it is smaller than the sum of its proper divisors (330321720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165160680 is a wasteful number, since it uses less digits than its factorization.

165160680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376353 (or 1376349 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 165160680 is about 12851.4855172466. The cubic root of 165160680 is about 548.6586376264.

The spelling of 165160680 in words is "one hundred sixty-five million, one hundred sixty thousand, six hundred eighty".