18016963040 has 24 divisors (see below), whose sum is σ = 42565075560. Its totient is φ = 7206785152.

The previous prime is 18016963007. The next prime is 18016963079. The reversal of 18016963040 is 4036961081.

It is a super-2 number, since 2×18016963040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18016962985 and 18016963003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56302850 + ... + 56303169.

It is an arithmetic number, because the mean of its divisors is an integer number (1773544815).

Almost surely, 2^18016963040 is an apocalyptic number.

18016963040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18016963040 is an abundant number, since it is smaller than the sum of its proper divisors (24548112520).

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

18016963040 is a wasteful number, since it uses less digits than its factorization.

18016963040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112606034 (or 112606026 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 18016963040 in words is "eighteen billion, sixteen million, nine hundred sixty-three thousand, forty".