158022220158 has 48 divisors (see below), whose sum is σ = 373540467456. Its totient is φ = 47881239120.

The previous prime is 158022220123. The next prime is 158022220217. The reversal of 158022220158 is 851022220851.

158022220158 is a `hidden beast` number, since 1 + 580 + 2 + 2 + 2 + 20 + 1 + 58 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2720091 + ... + 2777577.

It is an arithmetic number, because the mean of its divisors is an integer number (7782093072).

Almost surely, 2^158022220158 is an apocalyptic number.

158022220158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

158022220158 is an abundant number, since it is smaller than the sum of its proper divisors (215518247298).

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

158022220158 is a wasteful number, since it uses less digits than its factorization.

158022220158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71389 (or 71386 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 158022220158 in words is "one hundred fifty-eight billion, twenty-two million, two hundred twenty thousand, one hundred fifty-eight".