660970753600 has 336 divisors, whose sum is σ = 1745709894400. Its totient is φ = 245587230720.

The previous prime is 660970753567. The next prime is 660970753627. The reversal of 660970753600 is 6357079066.

It is a super-2 number, since 2×660970753600² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377050324 + ... + 377052076.

Almost surely, 2^660970753600 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 660970753600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872854947200).

660970753600 is an abundant number, since it is smaller than the sum of its proper divisors (1084739140800).

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

660970753600 is a wasteful number, since it uses less digits than its factorization.

660970753600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 660970753600 in words is "six hundred sixty billion, nine hundred seventy million, seven hundred fifty-three thousand, six hundred".