157165207 has 8 divisors (see below), whose sum is σ = 167532800. Its totient is φ = 147007224.

The previous prime is 157165171. The next prime is 157165223. The reversal of 157165207 is 702561751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157165207 - 2²⁷ = 22947479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157165607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50853 + ... + 53854.

It is an arithmetic number, because the mean of its divisors is an integer number (20941600).

Almost surely, 2^157165207 is an apocalyptic number.

157165207 is a deficient number, since it is larger than the sum of its proper divisors (10367593).

157165207 is a wasteful number, since it uses less digits than its factorization.

157165207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104805.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 157165207 is about 12536.5548297768. The cubic root of 157165207 is about 539.6582279501.

The spelling of 157165207 in words is "one hundred fifty-seven million, one hundred sixty-five thousand, two hundred seven".