18403601160 has 128 divisors (see below), whose sum is σ = 63135463680. Its totient is φ = 4204044288.

The previous prime is 18403601113. The next prime is 18403601189. The reversal of 18403601160 is 6110630481.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668624 + ... + 1679616.

It is an arithmetic number, because the mean of its divisors is an integer number (493245810).

Almost surely, 2^18403601160 is an apocalyptic number.

18403601160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18403601160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31567731840).

18403601160 is an abundant number, since it is smaller than the sum of its proper divisors (44731862520).

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

18403601160 is a wasteful number, since it uses less digits than its factorization.

18403601160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 18403601160 in words is "eighteen billion, four hundred three million, six hundred one thousand, one hundred sixty".