158843792420 has 12 divisors (see below), whose sum is σ = 333571964124. Its totient is φ = 63537516960.

The previous prime is 158843792413. The next prime is 158843792477. The reversal of 158843792420 is 24297348851.

It can be written as a sum of positive squares in 2 ways, for example, as 85488403456 + 73355388964 = 292384^2 + 270842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971094791 + ... + 3971094830.

It is an arithmetic number, because the mean of its divisors is an integer number (27797663677).

Almost surely, 2^158843792420 is an apocalyptic number.

158843792420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158843792420 is an abundant number, since it is smaller than the sum of its proper divisors (174728171704).

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

158843792420 is a wasteful number, since it uses less digits than its factorization.

158843792420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942189630 (or 7942189628 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 158843792420 in words is "one hundred fifty-eight billion, eight hundred forty-three million, seven hundred ninety-two thousand, four hundred twenty".