157664233 has 8 divisors (see below), whose sum is σ = 165044736. Its totient is φ = 150427200.

The previous prime is 157664231. The next prime is 157664279. The reversal of 157664233 is 332466751.

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 157664233 - 2¹ = 157664231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157664192 and 157664201.

It is not an unprimeable number, because it can be changed into a prime (157664231) 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, 33616 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (20630592).

Almost surely, 2^157664233 is an apocalyptic number.

It is an amenable number.

157664233 is a deficient number, since it is larger than the sum of its proper divisors (7380503).

157664233 is an equidigital number, since it uses as much as digits as its factorization.

157664233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71735.

The product of its digits is 90720, while the sum is 37.

The square root of 157664233 is about 12556.4418925108. The cubic root of 157664233 is about 540.2287930808.

The spelling of 157664233 in words is "one hundred fifty-seven million, six hundred sixty-four thousand, two hundred thirty-three".