158979073722 has 16 divisors (see below), whose sum is σ = 363380740032. Its totient is φ = 45422592480.

The previous prime is 158979073691. The next prime is 158979073811. The reversal of 158979073722 is 227370979851.

It is a super-2 number, since 2×158979073722² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1892607979 + ... + 1892608062.

It is an arithmetic number, because the mean of its divisors is an integer number (22711296252).

Almost surely, 2^158979073722 is an apocalyptic number.

158979073722 is an abundant number, since it is smaller than the sum of its proper divisors (204401666310).

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

158979073722 is a wasteful number, since it uses less digits than its factorization.

158979073722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785216053.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 158979073722 in words is "one hundred fifty-eight billion, nine hundred seventy-nine million, seventy-three thousand, seven hundred twenty-two".