18764266948 has 12 divisors (see below), whose sum is σ = 37528533952. Its totient is φ = 8041828680.

The previous prime is 18764266931. The next prime is 18764266979. The reversal of 18764266948 is 84966246781.

18764266948 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335076168 + ... + 335076223.

Almost surely, 2^18764266948 is an apocalyptic number.

It is an amenable number.

18764266948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18764266948 is a wasteful number, since it uses less digits than its factorization.

18764266948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670152402 (or 670152400 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 18764266948 in words is "eighteen billion, seven hundred sixty-four million, two hundred sixty-six thousand, nine hundred forty-eight".