16516818036 has 36 divisors (see below), whose sum is σ = 42007000672. Its totient is φ = 5471827344.

The previous prime is 16516818007. The next prime is 16516818103. The reversal of 16516818036 is 63081861561.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 16516817982 and 16516818000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401496 + ... + 1413231.

Almost surely, 2^16516818036 is an apocalyptic number.

It is an amenable number.

16516818036 is an abundant number, since it is smaller than the sum of its proper divisors (25490182636).

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

16516818036 is a wasteful number, since it uses less digits than its factorization.

16516818036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814900 (or 2814895 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

It can be divided in two parts, 165 and 16818036, that added together give a square (16818201 = 4101²).

The spelling of 16516818036 in words is "sixteen billion, five hundred sixteen million, eight hundred eighteen thousand, thirty-six".