16886837072 has 30 divisors (see below), whose sum is σ = 38060003178. Its totient is φ = 7237215552.

The previous prime is 16886837059. The next prime is 16886837113. The reversal of 16886837072 is 27073868861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12306796096 + 4580040976 = 110936^2 + 67676^2 .

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 16886836999 and 16886837017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10768883 + ... + 10770450.

Almost surely, 2^16886837072 is an apocalyptic number.

It is an amenable number.

16886837072 is an abundant number, since it is smaller than the sum of its proper divisors (21173166106).

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

16886837072 is a wasteful number, since it uses less digits than its factorization.

16886837072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539355 (or 21539342 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 16886837072 in words is "sixteen billion, eight hundred eighty-six million, eight hundred thirty-seven thousand, seventy-two".