158979178768 has 40 divisors (see below), whose sum is σ = 313293340800. Its totient is φ = 78129719424.

The previous prime is 158979178753. The next prime is 158979178801. The reversal of 158979178768 is 867871979851.

It is a junction number, because it is equal to n+sod(n) for n = 158979178694 and 158979178703.

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, 9065913 + ... + 9083431.

It is an arithmetic number, because the mean of its divisors is an integer number (7832333520).

Almost surely, 2^158979178768 is an apocalyptic number.

It is an amenable number.

158979178768 is a deficient number, since it is larger than the sum of its proper divisors (154314162032).

158979178768 is a wasteful number, since it uses less digits than its factorization.

158979178768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27199 (or 27193 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 76.

The spelling of 158979178768 in words is "one hundred fifty-eight billion, nine hundred seventy-nine million, one hundred seventy-eight thousand, seven hundred sixty-eight".