158158160646 has 16 divisors (see below), whose sum is σ = 316320287808. Its totient is φ = 52718725800.

The previous prime is 158158160639. The next prime is 158158160707. The reversal of 158158160646 is 646061851851.

It is a congruent number.

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, 708141 + ... + 904311.

It is an arithmetic number, because the mean of its divisors is an integer number (19770017988).

Almost surely, 2^158158160646 is an apocalyptic number.

158158160646 is an abundant number, since it is smaller than the sum of its proper divisors (158162127162).

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

158158160646 is a wasteful number, since it uses less digits than its factorization.

158158160646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330547.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 158158160646 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, one hundred sixty thousand, six hundred forty-six".