18746046160 has 40 divisors (see below), whose sum is σ = 43620422400. Its totient is φ = 7492248192.

The previous prime is 18746046139. The next prime is 18746046161. The reversal of 18746046160 is 6164064781.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18746046161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041 + ... + 193639.

It is an arithmetic number, because the mean of its divisors is an integer number (1090510560).

Almost surely, 2^18746046160 is an apocalyptic number.

18746046160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18746046160 is an abundant number, since it is smaller than the sum of its proper divisors (24874376240).

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

18746046160 is a wasteful number, since it uses less digits than its factorization.

18746046160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192835 (or 192829 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 18746046160 in words is "eighteen billion, seven hundred forty-six million, forty-six thousand, one hundred sixty".