18488560676 has 6 divisors (see below), whose sum is σ = 32354981190. Its totient is φ = 9244280336.

The previous prime is 18488560637. The next prime is 18488560687. The reversal of 18488560676 is 67606588481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14554009600 + 3934551076 = 120640^2 + 62726^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311070081 + ... + 2311070088.

It is an arithmetic number, because the mean of its divisors is an integer number (5392496865).

Almost surely, 2^18488560676 is an apocalyptic number.

It is an amenable number.

18488560676 is a deficient number, since it is larger than the sum of its proper divisors (13866420514).

18488560676 is a wasteful number, since it uses less digits than its factorization.

18488560676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622140173 (or 4622140171 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 18488560676 in words is "eighteen billion, four hundred eighty-eight million, five hundred sixty thousand, six hundred seventy-six".