8565660157 has 8 divisors (see below), whose sum is σ = 8785798560. Its totient is φ = 8346473520.

The previous prime is 8565660149. The next prime is 8565660163. The reversal of 8565660157 is 7510665658.

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 8565660157 - 2³ = 8565660149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8565660157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8565660167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219694 + ... + 255727.

It is an arithmetic number, because the mean of its divisors is an integer number (1098224820).

Almost surely, 2^8565660157 is an apocalyptic number.

It is an amenable number.

8565660157 is a deficient number, since it is larger than the sum of its proper divisors (220138403).

8565660157 is a wasteful number, since it uses less digits than its factorization.

8565660157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475883.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 8565660157 is about 92550.8517356810. The cubic root of 8565660157 is about 2046.0690211610.

The spelling of 8565660157 in words is "eight billion, five hundred sixty-five million, six hundred sixty thousand, one hundred fifty-seven".