60664686788 has 24 divisors (see below), whose sum is σ = 111829250400. Its totient is φ = 28715715648.

The previous prime is 60664686781. The next prime is 60664686827. The reversal of 60664686788 is 88768646606.

It is a super-2 number, since 2×60664686788² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (60664686781) 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, 171233 + ... + 388136.

It is an arithmetic number, because the mean of its divisors is an integer number (4659552100).

Almost surely, 2^60664686788 is an apocalyptic number.

It is an amenable number.

60664686788 is a deficient number, since it is larger than the sum of its proper divisors (51164563612).

60664686788 is a wasteful number, since it uses less digits than its factorization.

60664686788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560819 (or 560817 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 60664686788 in words is "sixty billion, six hundred sixty-four million, six hundred eighty-six thousand, seven hundred eighty-eight".