158481191396 has 24 divisors (see below), whose sum is σ = 302595199200. Its totient is φ = 72027334400.

The previous prime is 158481191387. The next prime is 158481191411. The reversal of 158481191396 is 693191184851.

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, 101111 + ... + 572001.

It is an arithmetic number, because the mean of its divisors is an integer number (12608133300).

Almost surely, 2^158481191396 is an apocalyptic number.

It is an amenable number.

158481191396 is a deficient number, since it is larger than the sum of its proper divisors (144114007804).

158481191396 is a wasteful number, since it uses less digits than its factorization.

158481191396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478555 (or 478553 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 56.

The spelling of 158481191396 in words is "one hundred fifty-eight billion, four hundred eighty-one million, one hundred ninety-one thousand, three hundred ninety-six".