157660001672 has 32 divisors (see below), whose sum is σ = 298003691520. Its totient is φ = 78192616320.

The previous prime is 157660001657. The next prime is 157660001693. The reversal of 157660001672 is 276100066751.

It is a super-2 number, since 2×157660001672² (a number of 23 digits) contains 22 as substring.

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, 5733797 + ... + 5761227.

It is an arithmetic number, because the mean of its divisors is an integer number (9312615360).

Almost surely, 2^157660001672 is an apocalyptic number.

It is an amenable number.

157660001672 is a deficient number, since it is larger than the sum of its proper divisors (140343689848).

157660001672 is a wasteful number, since it uses less digits than its factorization.

157660001672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33221 (or 33217 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 157660001672 in words is "one hundred fifty-seven billion, six hundred sixty million, one thousand, six hundred seventy-two".