18785709160 has 64 divisors (see below), whose sum is σ = 42750892800. Its totient is φ = 7428844800.

The previous prime is 18785709119. The next prime is 18785709161. The reversal of 18785709160 is 6190758781.

It is a junction number, because it is equal to n+sod(n) for n = 18785709098 and 18785709107.

It is not an unprimeable number, because it can be changed into a prime (18785709161) 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 15 ways as a sum of consecutive naturals, for example, 1413426 + ... + 1426654.

It is an arithmetic number, because the mean of its divisors is an integer number (667982700).

Almost surely, 2^18785709160 is an apocalyptic number.

18785709160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18785709160 is an abundant number, since it is smaller than the sum of its proper divisors (23965183640).

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

18785709160 is a wasteful number, since it uses less digits than its factorization.

18785709160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13642 (or 13638 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 52.

The spelling of 18785709160 in words is "eighteen billion, seven hundred eighty-five million, seven hundred nine thousand, one hundred sixty".