18461146268 has 6 divisors (see below), whose sum is σ = 32307005976. Its totient is φ = 9230573132.

The previous prime is 18461146247. The next prime is 18461146271. The reversal of 18461146268 is 86264116481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2307643280 + ... + 2307643287.

It is an arithmetic number, because the mean of its divisors is an integer number (5384500996).

Almost surely, 2^18461146268 is an apocalyptic number.

It is an amenable number.

18461146268 is a deficient number, since it is larger than the sum of its proper divisors (13845859708).

18461146268 is a wasteful number, since it uses less digits than its factorization.

18461146268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615286571 (or 4615286569 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The spelling of 18461146268 in words is "eighteen billion, four hundred sixty-one million, one hundred forty-six thousand, two hundred sixty-eight".