664214401160 has 16 divisors (see below), whose sum is σ = 1494482402700. Its totient is φ = 265685760448.

The previous prime is 664214401117. The next prime is 664214401183. The reversal of 664214401160 is 61104412466.

It can be written as a sum of positive squares in 2 ways, for example, as 664189140484 + 25260676 = 814978^2 + 5026^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 664214401160.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8302679975 + ... + 8302680054.

Almost surely, 2^664214401160 is an apocalyptic number.

It is an amenable number.

664214401160 is an abundant number, since it is smaller than the sum of its proper divisors (830268001540).

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

664214401160 is a wasteful number, since it uses less digits than its factorization.

664214401160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16605360040 (or 16605360036 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 664214401160 in words is "six hundred sixty-four billion, two hundred fourteen million, four hundred one thousand, one hundred sixty".