16138698696 has 192 divisors, whose sum is σ = 47063877120. Its totient is φ = 4983897600.

The previous prime is 16138698659. The next prime is 16138698721. The reversal of 16138698696 is 69689683161.

16138698696 is a `hidden beast` number, since 1 + 613 + 8 + 6 + 9 + 8 + 6 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7860006 + ... + 7862058.

It is an arithmetic number, because the mean of its divisors is an integer number (245124360).

Almost surely, 2^16138698696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16138698696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23531938560).

16138698696 is an abundant number, since it is smaller than the sum of its proper divisors (30925178424).

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

16138698696 is a wasteful number, since it uses less digits than its factorization.

16138698696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236 (or 2229 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 16138698696 in words is "sixteen billion, one hundred thirty-eight million, six hundred ninety-eight thousand, six hundred ninety-six".