158137962647 has 4 divisors (see below), whose sum is σ = 180729100176. Its totient is φ = 135546825120.

The previous prime is 158137962643. The next prime is 158137962659. The reversal of 158137962647 is 746269731851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158137962647 - 2² = 158137962643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158137962643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11295568754 + ... + 11295568767.

It is an arithmetic number, because the mean of its divisors is an integer number (45182275044).

Almost surely, 2^158137962647 is an apocalyptic number.

158137962647 is a deficient number, since it is larger than the sum of its proper divisors (22591137529).

158137962647 is an equidigital number, since it uses as much as digits as its factorization.

158137962647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22591137528.

The product of its digits is 15240960, while the sum is 59.

The spelling of 158137962647 in words is "one hundred fifty-eight billion, one hundred thirty-seven million, nine hundred sixty-two thousand, six hundred forty-seven".