165157376 has 20 divisors (see below), whose sum is σ = 329993202. Its totient is φ = 82578432.

The previous prime is 165157373. The next prime is 165157379. The reversal of 165157376 is 673751561.

It is an interprime number because it is at equal distance from previous prime (165157373) and next prime (165157379).

It can be written as a sum of positive squares in only one way, i.e., 153760000 + 11397376 = 12400^2 + 3376^2 .

It is not an unprimeable number, because it can be changed into a prime (165157373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160775 + ... + 161798.

Almost surely, 2^165157376 is an apocalyptic number.

165157376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165157376 is a deficient number, since it is larger than the sum of its proper divisors (164835826).

165157376 is an frugal number, since it uses more digits than its factorization.

165157376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322591 (or 322575 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 165157376 is about 12851.3569711529. The cubic root of 165157376 is about 548.6549790070.

The spelling of 165157376 in words is "one hundred sixty-five million, one hundred fifty-seven thousand, three hundred seventy-six".