158403936220 has 12 divisors (see below), whose sum is σ = 332648266104. Its totient is φ = 63361574480.

The previous prime is 158403936193. The next prime is 158403936221. The reversal of 158403936220 is 22639304851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158403936221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960098386 + ... + 3960098425.

It is an arithmetic number, because the mean of its divisors is an integer number (27720688842).

Almost surely, 2^158403936220 is an apocalyptic number.

158403936220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158403936220 is an abundant number, since it is smaller than the sum of its proper divisors (174244329884).

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

158403936220 is a wasteful number, since it uses less digits than its factorization.

158403936220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920196820 (or 7920196818 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 158403936220 in words is "one hundred fifty-eight billion, four hundred three million, nine hundred thirty-six thousand, two hundred twenty".