64008660 has 24 divisors (see below), whose sum is σ = 179224416. Its totient is φ = 17068960.

The previous prime is 64008647. The next prime is 64008673. The reversal of 64008660 is 6680046.

It is a happy number.

64008660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64008647) and next prime (64008673).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533346 + ... + 533465.

It is an arithmetic number, because the mean of its divisors is an integer number (7467684).

Almost surely, 2^64008660 is an apocalyptic number.

64008660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64008660 is an abundant number, since it is smaller than the sum of its proper divisors (115215756).

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

64008660 is a wasteful number, since it uses less digits than its factorization.

64008660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066823 (or 1066821 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 64008660 is about 8000.5412316918. The cubic root of 64008660 is about 400.0180408530.

It can be divided in two parts, 640086 and 60, that added together give a triangular number (640146 = T₁₁₃₁).

The spelling of 64008660 in words is "sixty-four million, eight thousand, six hundred sixty".