157667216708 has 12 divisors (see below), whose sum is σ = 275920618512. Its totient is φ = 78832754280.

The previous prime is 157667216689. The next prime is 157667216723. The reversal of 157667216708 is 807612766751.

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, 393743 + ... + 685833.

It is an arithmetic number, because the mean of its divisors is an integer number (22993384876).

Almost surely, 2^157667216708 is an apocalyptic number.

It is an amenable number.

157667216708 is a deficient number, since it is larger than the sum of its proper divisors (118253401804).

157667216708 is a wasteful number, since it uses less digits than its factorization.

157667216708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427042 (or 427040 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 157667216708 in words is "one hundred fifty-seven billion, six hundred sixty-seven million, two hundred sixteen thousand, seven hundred eight".