60666577664 has 72 divisors (see below), whose sum is σ = 150977100288. Its totient is φ = 23636321280.

The previous prime is 60666577633. The next prime is 60666577679. The reversal of 60666577664 is 46677566606.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 1519112 + ... + 1558535.

Almost surely, 2^60666577664 is an apocalyptic number.

60666577664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

60666577664 is an abundant number, since it is smaller than the sum of its proper divisors (90310522624).

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

60666577664 is a wasteful number, since it uses less digits than its factorization.

60666577664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077681 (or 3077667 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 60666577664 in words is "sixty billion, six hundred sixty-six million, five hundred seventy-seven thousand, six hundred sixty-four".