158166871379 has 16 divisors (see below), whose sum is σ = 175474440960. Its totient is φ = 141367520160.

The previous prime is 158166871321. The next prime is 158166871381. The reversal of 158166871379 is 973178661851.

It is a cyclic number.

It is not a de Polignac number, because 158166871379 - 2³⁶ = 89447394643 is a prime.

It is a super-2 number, since 2×158166871379² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158166871399) 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, 344672 + ... + 659645.

It is an arithmetic number, because the mean of its divisors is an integer number (10967152560).

Almost surely, 2^158166871379 is an apocalyptic number.

158166871379 is a deficient number, since it is larger than the sum of its proper divisors (17307569581).

158166871379 is a wasteful number, since it uses less digits than its factorization.

158166871379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004570.

The product of its digits is 15240960, while the sum is 62.

The spelling of 158166871379 in words is "one hundred fifty-eight billion, one hundred sixty-six million, eight hundred seventy-one thousand, three hundred seventy-nine".