157198325393 has 16 divisors (see below), whose sum is σ = 161931582720. Its totient is φ = 152491248000.

The previous prime is 157198325371. The next prime is 157198325411. The reversal of 157198325393 is 393523891751.

It is a cyclic number.

It is not a de Polignac number, because 157198325393 - 2³⁰ = 156124583569 is a prime.

It is a super-2 number, since 2×157198325393² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157198325693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20256248 + ... + 20264006.

It is an arithmetic number, because the mean of its divisors is an integer number (10120723920).

Almost surely, 2^157198325393 is an apocalyptic number.

It is an amenable number.

157198325393 is a deficient number, since it is larger than the sum of its proper divisors (4733257327).

157198325393 is a wasteful number, since it uses less digits than its factorization.

157198325393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368.

The product of its digits is 6123600, while the sum is 56.

The spelling of 157198325393 in words is "one hundred fifty-seven billion, one hundred ninety-eight million, three hundred twenty-five thousand, three hundred ninety-three".