664301157 has 16 divisors (see below), whose sum is σ = 995342208. Its totient is φ = 391026240.

The previous prime is 664301107. The next prime is 664301159. The reversal of 664301157 is 751103466.

It is not a de Polignac number, because 664301157 - 2¹⁵ = 664268389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664301159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369394 + ... + 371187.

It is an arithmetic number, because the mean of its divisors is an integer number (62208888).

Almost surely, 2^664301157 is an apocalyptic number.

It is an amenable number.

664301157 is a deficient number, since it is larger than the sum of its proper divisors (331041051).

664301157 is a wasteful number, since it uses less digits than its factorization.

664301157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740620.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 664301157 is about 25774.0403701088. The cubic root of 664301157 is about 872.5460087450.

The spelling of 664301157 in words is "six hundred sixty-four million, three hundred one thousand, one hundred fifty-seven".