158728743420 has 96 divisors (see below), whose sum is σ = 481840833600. Its totient is φ = 38809436160.

The previous prime is 158728743409. The next prime is 158728743431. The reversal of 158728743420 is 24347827851.

It is a happy number.

158728743420 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158728743409) and next prime (158728743431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566661 + ... + 799100.

It is an arithmetic number, because the mean of its divisors is an integer number (5019175350).

Almost surely, 2^158728743420 is an apocalyptic number.

158728743420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158728743420 is an abundant number, since it is smaller than the sum of its proper divisors (323112090180).

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

158728743420 is a wasteful number, since it uses less digits than its factorization.

158728743420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365935 (or 1365933 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 158728743420 in words is "one hundred fifty-eight billion, seven hundred twenty-eight million, seven hundred forty-three thousand, four hundred twenty".