157837566242 has 16 divisors (see below), whose sum is σ = 244956666240. Its totient is φ = 76186150992.

The previous prime is 157837566239. The next prime is 157837566287. The reversal of 157837566242 is 242665738751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199793 + ... + 596315.

It is an arithmetic number, because the mean of its divisors is an integer number (15309791640).

Almost surely, 2^157837566242 is an apocalyptic number.

157837566242 is a deficient number, since it is larger than the sum of its proper divisors (87119099998).

157837566242 is a wasteful number, since it uses less digits than its factorization.

157837566242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403417.

The product of its digits is 16934400, while the sum is 56.

The spelling of 157837566242 in words is "one hundred fifty-seven billion, eight hundred thirty-seven million, five hundred sixty-six thousand, two hundred forty-two".