157549929868 has 12 divisors (see below), whose sum is σ = 290223555160. Its totient is φ = 74628914112.

The previous prime is 157549929847. The next prime is 157549929907. The reversal of 157549929868 is 868929945751.

It is a self number, because there is not a number n which added to its sum of digits gives 157549929868.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036512621 + ... + 1036512772.

Almost surely, 2^157549929868 is an apocalyptic number.

It is an amenable number.

157549929868 is a deficient number, since it is larger than the sum of its proper divisors (132673625292).

157549929868 is a wasteful number, since it uses less digits than its factorization.

157549929868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073025416 (or 2073025414 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 73.

The spelling of 157549929868 in words is "one hundred fifty-seven billion, five hundred forty-nine million, nine hundred twenty-nine thousand, eight hundred sixty-eight".