157661118604 has 12 divisors (see below), whose sum is σ = 300989408328. Its totient is φ = 71664144800.

The previous prime is 157661118583. The next prime is 157661118607. The reversal of 157661118604 is 406811166751.

It is not an unprimeable number, because it can be changed into a prime (157661118607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791603577 + ... + 1791603664.

It is an arithmetic number, because the mean of its divisors is an integer number (25082450694).

Almost surely, 2^157661118604 is an apocalyptic number.

It is an amenable number.

157661118604 is a deficient number, since it is larger than the sum of its proper divisors (143328289724).

157661118604 is a wasteful number, since it uses less digits than its factorization.

157661118604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583207256 (or 3583207254 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 157661118604 in words is "one hundred fifty-seven billion, six hundred sixty-one million, one hundred eighteen thousand, six hundred four".