158221926720 has 2016 divisors, whose sum is σ = 725647942656. Its totient is φ = 32248627200.

The previous prime is 158221926691. The next prime is 158221926727. The reversal of 158221926720 is 27629122851.

158221926720 is a `hidden beast` number, since 1 + 582 + 2 + 1 + 9 + 2 + 67 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158221926727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5103933105 + ... + 5103933135.

It is an arithmetic number, because the mean of its divisors is an integer number (359944416).

Almost surely, 2^158221926720 is an apocalyptic number.

158221926720 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 158221926720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362823971328).

158221926720 is an abundant number, since it is smaller than the sum of its proper divisors (567426015936).

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

158221926720 is a wasteful number, since it uses less digits than its factorization.

158221926720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 158221926720 in words is "one hundred fifty-eight billion, two hundred twenty-one million, nine hundred twenty-six thousand, seven hundred twenty".