660662520113424 has 40 divisors (see below), whose sum is σ = 1707028331364000. Its totient is φ = 220179959899648.

The previous prime is 660662520113383. The next prime is 660662520113441. The reversal of 660662520113424 is 424311025266066.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277243049 + ... + 1277760200.

It is an arithmetic number, because the mean of its divisors is an integer number (42675708284100).

Almost surely, 2^{660662520113424} is an apocalyptic number.

It is an amenable number.

660662520113424 is an abundant number, since it is smaller than the sum of its proper divisors (1046365811250576).

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

660662520113424 is a wasteful number, since it uses less digits than its factorization.

660662520113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555008647 (or 2555008641 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 660662520113424 in words is "six hundred sixty trillion, six hundred sixty-two billion, five hundred twenty million, one hundred thirteen thousand, four hundred twenty-four".