158391656268 has 48 divisors (see below), whose sum is σ = 374719973376. Its totient is φ = 52063309440.

The previous prime is 158391656261. The next prime is 158391656299. The reversal of 158391656268 is 862656193851.

It is not an unprimeable number, because it can be changed into a prime (158391656261) 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, 5057305 + ... + 5088527.

It is an arithmetic number, because the mean of its divisors is an integer number (7806666112).

Almost surely, 2^158391656268 is an apocalyptic number.

It is an amenable number.

158391656268 is an abundant number, since it is smaller than the sum of its proper divisors (216328317108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158391656268 is a wasteful number, since it uses less digits than its factorization.

158391656268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37094 (or 37092 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 158391656268 in words is "one hundred fifty-eight billion, three hundred ninety-one million, six hundred fifty-six thousand, two hundred sixty-eight".