158721044472 has 48 divisors (see below), whose sum is σ = 432443597040. Its totient is φ = 52590202368.

The previous prime is 158721044431. The next prime is 158721044473. The reversal of 158721044472 is 274440127851.

158721044472 is a `hidden beast` number, since 1 + 5 + 8 + 72 + 104 + 4 + 472 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158721044473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6588153 + ... + 6612200.

It is an arithmetic number, because the mean of its divisors is an integer number (9009241605).

Almost surely, 2^158721044472 is an apocalyptic number.

158721044472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158721044472 is an abundant number, since it is smaller than the sum of its proper divisors (273722552568).

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

158721044472 is a wasteful number, since it uses less digits than its factorization.

158721044472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200532 (or 13200525 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 158721044472 in words is "one hundred fifty-eight billion, seven hundred twenty-one million, forty-four thousand, four hundred seventy-two".