60666403656 has 32 divisors (see below), whose sum is σ = 152295343200. Its totient is φ = 20138223360.

The previous prime is 60666403649. The next prime is 60666403657. The reversal of 60666403656 is 65630466606.

It is not an unprimeable number, because it can be changed into a prime (60666403657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238546 + ... + 5250113.

It is an arithmetic number, because the mean of its divisors is an integer number (4759229475).

Almost surely, 2^60666403656 is an apocalyptic number.

It is an amenable number.

60666403656 is an abundant number, since it is smaller than the sum of its proper divisors (91628939544).

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

60666403656 is a wasteful number, since it uses less digits than its factorization.

60666403656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488909 (or 10488905 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 60666403656 in words is "sixty billion, six hundred sixty-six million, four hundred three thousand, six hundred fifty-six".