16899677712 has 30 divisors (see below), whose sum is σ = 47295626222. Its totient is φ = 5633225856.

The previous prime is 16899677689. The next prime is 16899677741. The reversal of 16899677712 is 21777699861.

It can be written as a sum of positive squares in only one way, i.e., 9209089296 + 7690588416 = 95964^2 + 87696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16899677712.

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, 58679293 + ... + 58679580.

Almost surely, 2^16899677712 is an apocalyptic number.

16899677712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16899677712 is an abundant number, since it is smaller than the sum of its proper divisors (30395948510).

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

16899677712 is a wasteful number, since it uses less digits than its factorization.

16899677712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117358887 (or 117358878 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 63.

The spelling of 16899677712 in words is "sixteen billion, eight hundred ninety-nine million, six hundred seventy-seven thousand, seven hundred twelve".