16971678492 has 48 divisors (see below), whose sum is σ = 39716651520. Its totient is φ = 5640674688.

The previous prime is 16971678487. The next prime is 16971678533. The reversal of 16971678492 is 29487617961.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8514648 + ... + 8516640.

It is an arithmetic number, because the mean of its divisors is an integer number (827430240).

Almost surely, 2^16971678492 is an apocalyptic number.

16971678492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16971678492 is an abundant number, since it is smaller than the sum of its proper divisors (22744973028).

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

16971678492 is a wasteful number, since it uses less digits than its factorization.

16971678492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The spelling of 16971678492 in words is "sixteen billion, nine hundred seventy-one million, six hundred seventy-eight thousand, four hundred ninety-two".