165376907 has 4 divisors (see below), whose sum is σ = 168497280. Its totient is φ = 162256536.

The previous prime is 165376891. The next prime is 165376933. The reversal of 165376907 is 709673561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709673561 = 113 ⋅6280297.

It is a cyclic number.

It is not a de Polignac number, because 165376907 - 2⁴ = 165376891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165376957) 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 3 ways as a sum of consecutive naturals, for example, 1560107 + ... + 1560212.

It is an arithmetic number, because the mean of its divisors is an integer number (42124320).

Almost surely, 2^165376907 is an apocalyptic number.

165376907 is a deficient number, since it is larger than the sum of its proper divisors (3120373).

165376907 is an equidigital number, since it uses as much as digits as its factorization.

165376907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120372.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 165376907 is about 12859.8952950636. The cubic root of 165376907 is about 548.8979663354.

The spelling of 165376907 in words is "one hundred sixty-five million, three hundred seventy-six thousand, nine hundred seven".