660408225200 has 30 divisors (see below), whose sum is σ = 1586630762004. Its totient is φ = 264163289920.

The previous prime is 660408225181. The next prime is 660408225283. The reversal of 660408225200 is 2522804066.

660408225200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×660408225200² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 825509882 + ... + 825510681.

Almost surely, 2^660408225200 is an apocalyptic number.

It is an amenable number.

660408225200 is an abundant number, since it is smaller than the sum of its proper divisors (926222536804).

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

660408225200 is a wasteful number, since it uses less digits than its factorization.

660408225200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651020581 (or 1651020570 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 660408225200 in words is "six hundred sixty billion, four hundred eight million, two hundred twenty-five thousand, two hundred".