158797635792 has 20 divisors (see below), whose sum is σ = 410227225920. Its totient is φ = 52932545248.

The previous prime is 158797635781. The next prime is 158797635793. The reversal of 158797635792 is 297536797851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158797635793) 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, 1654141992 + ... + 1654142087.

It is an arithmetic number, because the mean of its divisors is an integer number (20511361296).

Almost surely, 2^158797635792 is an apocalyptic number.

158797635792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158797635792 is an abundant number, since it is smaller than the sum of its proper divisors (251429590128).

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

158797635792 is a wasteful number, since it uses less digits than its factorization.

158797635792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308284090 (or 3308284084 counting only the distinct ones).

The product of its digits is 200037600, while the sum is 69.

The spelling of 158797635792 in words is "one hundred fifty-eight billion, seven hundred ninety-seven million, six hundred thirty-five thousand, seven hundred ninety-two".