60664000064 has 56 divisors (see below), whose sum is σ = 128723535288. Its totient is φ = 28265062400.

The previous prime is 60664000063. The next prime is 60664000073. The reversal of 60664000064 is 46000046606.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53634854464 + 7029145600 = 231592^2 + 83840^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (60664000063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166139 + ... + 385914.

Almost surely, 2^60664000064 is an apocalyptic number.

60664000064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

60664000064 is an abundant number, since it is smaller than the sum of its proper divisors (68059535224).

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

60664000064 is a wasteful number, since it uses less digits than its factorization.

60664000064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552183 (or 552173 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 60664000064 in words is "sixty billion, six hundred sixty-four million, sixty-four", and thus it is an aban number.