165152371 has 2 divisors, whose sum is σ = 165152372. Its totient is φ = 165152370.

The previous prime is 165152357. The next prime is 165152447. The reversal of 165152371 is 173251561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165152371 - 2⁷ = 165152243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165152341) by changing a digit.

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 as a sum of consecutive naturals, namely, 82576185 + 82576186.

It is an arithmetic number, because the mean of its divisors is an integer number (82576186).

Almost surely, 2^165152371 is an apocalyptic number.

165152371 is a deficient number, since it is larger than the sum of its proper divisors (1).

165152371 is an equidigital number, since it uses as much as digits as its factorization.

165152371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 165152371 is about 12851.1622431592. The cubic root of 165152371 is about 548.6494367257.

The spelling of 165152371 in words is "one hundred sixty-five million, one hundred fifty-two thousand, three hundred seventy-one".