16961692416 has 36 divisors (see below), whose sum is σ = 45142839672. Its totient is φ = 5653897216.

The previous prime is 16961692373. The next prime is 16961692417. The reversal of 16961692416 is 61429616961.

It is a happy number.

It is a super-2 number, since 2×16961692416² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16961692417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11042001 + ... + 11043536.

Almost surely, 2^16961692416 is an apocalyptic number.

16961692416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16961692416 is an abundant number, since it is smaller than the sum of its proper divisors (28181147256).

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

16961692416 is an equidigital number, since it uses as much as digits as its factorization.

16961692416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085556 (or 22085542 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The spelling of 16961692416 in words is "sixteen billion, nine hundred sixty-one million, six hundred ninety-two thousand, four hundred sixteen".