664013060 has 24 divisors (see below), whose sum is σ = 1417289496. Its totient is φ = 261250560.

The previous prime is 664013041. The next prime is 664013099. The reversal of 664013060 is 60310466.

664013060 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51351556 + 612661504 = 7166^2 + 24752^2 .

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, 270917 + ... + 273356.

It is an arithmetic number, because the mean of its divisors is an integer number (59053729).

Almost surely, 2^664013060 is an apocalyptic number.

It is an amenable number.

664013060 is an abundant number, since it is smaller than the sum of its proper divisors (753276436).

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

664013060 is a wasteful number, since it uses less digits than its factorization.

664013060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544343 (or 544341 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 664013060 is about 25768.4508653508. The cubic root of 664013060 is about 872.4198539967.

The spelling of 664013060 in words is "six hundred sixty-four million, thirteen thousand, sixty".