18016467960840 has 32 divisors (see below), whose sum is σ = 54049403882880. Its totient is φ = 4804391456192.

The previous prime is 18016467960809. The next prime is 18016467960857. The reversal of 18016467960840 is 4806976461081.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75068616384 + ... + 75068616623.

It is an arithmetic number, because the mean of its divisors is an integer number (1689043871340).

Almost surely, 2^{18016467960840} is an apocalyptic number.

18016467960840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18016467960840 is an abundant number, since it is smaller than the sum of its proper divisors (36032935922040).

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

18016467960840 is a wasteful number, since it uses less digits than its factorization.

18016467960840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150137233021 (or 150137233017 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 18016467960840 in words is "eighteen trillion, sixteen billion, four hundred sixty-seven million, nine hundred sixty thousand, eight hundred forty".