157158558993 has 8 divisors (see below), whose sum is σ = 210459788800. Its totient is φ = 104314850928.

The previous prime is 157158558983. The next prime is 157158559007. The reversal of 157158558993 is 399855851751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157158558993 - 2²⁰ = 157157510417 is a prime.

It is a super-2 number, since 2×157158558993² (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 (157158558943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114379633 + ... + 114381006.

It is an arithmetic number, because the mean of its divisors is an integer number (26307473600).

Almost surely, 2^157158558993 is an apocalyptic number.

It is an amenable number.

157158558993 is a deficient number, since it is larger than the sum of its proper divisors (53301229807).

157158558993 is a wasteful number, since it uses less digits than its factorization.

157158558993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228760871.

The product of its digits is 68040000, while the sum is 66.

The spelling of 157158558993 in words is "one hundred fifty-seven billion, one hundred fifty-eight million, five hundred fifty-eight thousand, nine hundred ninety-three".