158788780920 has 640 divisors, whose sum is σ = 694356157440. Its totient is φ = 31559362560.

The previous prime is 158788780907. The next prime is 158788780939. The reversal of 158788780920 is 29087887851.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5724204 + ... + 5751876.

It is an arithmetic number, because the mean of its divisors is an integer number (1084931496).

Almost surely, 2^158788780920 is an apocalyptic number.

158788780920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158788780920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347178078720).

158788780920 is an abundant number, since it is smaller than the sum of its proper divisors (535567376520).

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

158788780920 is a wasteful number, since it uses less digits than its factorization.

158788780920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27737 (or 27724 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 158788780920 in words is "one hundred fifty-eight billion, seven hundred eighty-eight million, seven hundred eighty thousand, nine hundred twenty".