664410060 has 96 divisors (see below), whose sum is σ = 2071480320. Its totient is φ = 176796864.

The previous prime is 664410037. The next prime is 664410091. The reversal of 664410060 is 60014466.

664410060 is a `hidden beast` number, since 6 + 644 + 10 + 0 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326767 + ... + 328793.

It is an arithmetic number, because the mean of its divisors is an integer number (21577920).

Almost surely, 2^664410060 is an apocalyptic number.

664410060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 664410060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035740160).

664410060 is an abundant number, since it is smaller than the sum of its proper divisors (1407070260).

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

664410060 is a wasteful number, since it uses less digits than its factorization.

664410060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 664410060 is about 25776.1529325072. The cubic root of 664410060 is about 872.5936867622.

The spelling of 664410060 in words is "six hundred sixty-four million, four hundred ten thousand, sixty".