66662575260 has 48 divisors (see below), whose sum is σ = 186669880992. Its totient is φ = 17775289600.

The previous prime is 66662575207. The next prime is 66662575261. The reversal of 66662575260 is 6257526666.

66662575260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66662575261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891730 + ... + 963590.

It is an arithmetic number, because the mean of its divisors is an integer number (3888955854).

Almost surely, 2^66662575260 is an apocalyptic number.

66662575260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66662575260 is an abundant number, since it is smaller than the sum of its proper divisors (120007305732).

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

66662575260 is a wasteful number, since it uses less digits than its factorization.

66662575260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87334 (or 87332 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 66662575260 in words is "sixty-six billion, six hundred sixty-two million, five hundred seventy-five thousand, two hundred sixty".