18662466426 has 32 divisors (see below), whose sum is σ = 38961907200. Its totient is φ = 5952503040.

The previous prime is 18662466353. The next prime is 18662466437. The reversal of 18662466426 is 62466426681.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547131 + ... + 580238.

It is an arithmetic number, because the mean of its divisors is an integer number (1217559600).

Almost surely, 2^18662466426 is an apocalyptic number.

18662466426 is an abundant number, since it is smaller than the sum of its proper divisors (20299440774).

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

18662466426 is a wasteful number, since it uses less digits than its factorization.

18662466426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127494.

The product of its digits is 3981312, while the sum is 51.

The spelling of 18662466426 in words is "eighteen billion, six hundred sixty-two million, four hundred sixty-six thousand, four hundred twenty-six".