18016410720 has 192 divisors, whose sum is σ = 70755503616. Its totient is φ = 3743662080.

The previous prime is 18016410677. The next prime is 18016410767. The reversal of 18016410720 is 2701461081.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206769 + ... + 280688.

It is an arithmetic number, because the mean of its divisors is an integer number (368518248).

Almost surely, 2^18016410720 is an apocalyptic number.

18016410720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18016410720 is an abundant number, since it is smaller than the sum of its proper divisors (52739092896).

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

18016410720 is a wasteful number, since it uses less digits than its factorization.

18016410720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487493 (or 487485 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 18016410720 in words is "eighteen billion, sixteen million, four hundred ten thousand, seven hundred twenty".