18276767464 has 32 divisors (see below), whose sum is σ = 35440035840. Its totient is φ = 8827185600.

The previous prime is 18276767459. The next prime is 18276767503. The reversal of 18276767464 is 46476767281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18276767399 and 18276767408.

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, 66057 + ... + 202279.

It is an arithmetic number, because the mean of its divisors is an integer number (1107501120).

Almost surely, 2^18276767464 is an apocalyptic number.

It is an amenable number.

18276767464 is a deficient number, since it is larger than the sum of its proper divisors (17163268376).

18276767464 is a wasteful number, since it uses less digits than its factorization.

18276767464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136801 (or 136797 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 58.

The spelling of 18276767464 in words is "eighteen billion, two hundred seventy-six million, seven hundred sixty-seven thousand, four hundred sixty-four".