152990865720 has 576 divisors, whose sum is σ = 647775797760. Its totient is φ = 31788599040.

The previous prime is 152990865667. The next prime is 152990865749. The reversal of 152990865720 is 27568099251.

152990865720 is a `hidden beast` number, since 1 + 529 + 90 + 8 + 6 + 5 + 7 + 20 = 666.

It is a super-2 number, since 2×152990865720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8223549 + ... + 8242131.

It is an arithmetic number, because the mean of its divisors is an integer number (1124610760).

Almost surely, 2^152990865720 is an apocalyptic number.

152990865720 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 152990865720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323887898880).

152990865720 is an abundant number, since it is smaller than the sum of its proper divisors (494784932040).

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

152990865720 is a wasteful number, since it uses less digits than its factorization.

152990865720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18638 (or 18611 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 152990865720 in words is "one hundred fifty-two billion, nine hundred ninety million, eight hundred sixty-five thousand, seven hundred twenty".