660504152 has 96 divisors (see below), whose sum is σ = 1571996160. Its totient is φ = 254654400.

The previous prime is 660504151. The next prime is 660504191. The reversal of 660504152 is 251405066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660504151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724577 + ... + 725487.

It is an arithmetic number, because the mean of its divisors is an integer number (16374960).

Almost surely, 2^660504152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660504152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785998080).

660504152 is an abundant number, since it is smaller than the sum of its proper divisors (911492008).

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

660504152 is a wasteful number, since it uses less digits than its factorization.

660504152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 660504152 is about 25700.2753292645. The cubic root of 660504152 is about 870.8804017649.

The spelling of 660504152 in words is "six hundred sixty million, five hundred four thousand, one hundred fifty-two".