660106425760 has 48 divisors (see below), whose sum is σ = 1561148570016. Its totient is φ = 263763689728.

The previous prime is 660106425731. The next prime is 660106425779. The reversal of 660106425760 is 67524601066.

It is a happy number.

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, 2026762 + ... + 2329801.

It is an arithmetic number, because the mean of its divisors is an integer number (32523928542).

Almost surely, 2^660106425760 is an apocalyptic number.

It is an amenable number.

660106425760 is an abundant number, since it is smaller than the sum of its proper divisors (901042144256).

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

660106425760 is a wasteful number, since it uses less digits than its factorization.

660106425760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357525 (or 4357517 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 660106425760 in words is "six hundred sixty billion, one hundred six million, four hundred twenty-five thousand, seven hundred sixty".