18742673466 has 48 divisors (see below), whose sum is σ = 44310509568. Its totient is φ = 5678361600.

The previous prime is 18742673459. The next prime is 18742673473. The reversal of 18742673466 is 66437624781.

18742673466 is a `hidden beast` number, since 1 + 87 + 42 + 67 + 3 + 466 = 666.

It is an interprime number because it is at equal distance from previous prime (18742673459) and next prime (18742673473).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1361530 + ... + 1375226.

It is an arithmetic number, because the mean of its divisors is an integer number (923135616).

Almost surely, 2^18742673466 is an apocalyptic number.

18742673466 is an abundant number, since it is smaller than the sum of its proper divisors (25567836102).

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

18742673466 is a wasteful number, since it uses less digits than its factorization.

18742673466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627 (or 20624 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 18742673466 in words is "eighteen billion, seven hundred forty-two million, six hundred seventy-three thousand, four hundred sixty-six".