18406704052 has 24 divisors (see below), whose sum is σ = 35147024640. Its totient is φ = 8365028160.

The previous prime is 18406704037. The next prime is 18406704061. The reversal of 18406704052 is 25040760481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199224 + ... + 276592.

It is an arithmetic number, because the mean of its divisors is an integer number (1464459360).

Almost surely, 2^18406704052 is an apocalyptic number.

It is an amenable number.

18406704052 is a deficient number, since it is larger than the sum of its proper divisors (16740320588).

18406704052 is a wasteful number, since it uses less digits than its factorization.

18406704052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82791 (or 82789 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 18406704052 in words is "eighteen billion, four hundred six million, seven hundred four thousand, fifty-two".