152115721660 has 48 divisors (see below), whose sum is σ = 365100986880. Its totient is φ = 52150639680.

The previous prime is 152115721651. The next prime is 152115721669. The reversal of 152115721660 is 66127511251.

It is an interprime number because it is at equal distance from previous prime (152115721651) and next prime (152115721669).

It is a super-2 number, since 2×152115721660² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152115721669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3347371 + ... + 3392509.

It is an arithmetic number, because the mean of its divisors is an integer number (7606270560).

Almost surely, 2^152115721660 is an apocalyptic number.

152115721660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152115721660 is an abundant number, since it is smaller than the sum of its proper divisors (212985265220).

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

152115721660 is a wasteful number, since it uses less digits than its factorization.

152115721660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69226 (or 69224 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 152115721660 in words is "one hundred fifty-two billion, one hundred fifteen million, seven hundred twenty-one thousand, six hundred sixty".