18466852742 has 32 divisors (see below), whose sum is σ = 31587074400. Its totient is φ = 8074538784.

The previous prime is 18466852739. The next prime is 18466852753. The reversal of 18466852742 is 24725866481.

It is a congruent number.

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, 27113 + ... + 194084.

It is an arithmetic number, because the mean of its divisors is an integer number (987096075).

Almost surely, 2^18466852742 is an apocalyptic number.

18466852742 is a deficient number, since it is larger than the sum of its proper divisors (13120221658).

18466852742 is a wasteful number, since it uses less digits than its factorization.

18466852742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221257 (or 221231 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The spelling of 18466852742 in words is "eighteen billion, four hundred sixty-six million, eight hundred fifty-two thousand, seven hundred forty-two".