157628675661855 has 16 divisors (see below), whose sum is σ = 256480557010560. Its totient is φ = 82643735035808.

The previous prime is 157628675661833. The next prime is 157628675661943. The reversal of 157628675661855 is 558166576826751.

It is a cyclic number.

It is not a de Polignac number, because 157628675661855 - 2⁸ = 157628675661599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89055748077 + ... + 89055749846.

It is an arithmetic number, because the mean of its divisors is an integer number (16030034813160).

Almost surely, 2^{157628675661855} is an apocalyptic number.

157628675661855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157628675661855 is a deficient number, since it is larger than the sum of its proper divisors (98851881348705).

157628675661855 is a wasteful number, since it uses less digits than its factorization.

157628675661855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178111497990.

The product of its digits is 5080320000, while the sum is 78.

The spelling of 157628675661855 in words is "one hundred fifty-seven trillion, six hundred twenty-eight billion, six hundred seventy-five million, six hundred sixty-one thousand, eight hundred fifty-five".