16975689696 has 480 divisors, whose sum is σ = 59012997120. Its totient is φ = 4687248384.

The previous prime is 16975689671. The next prime is 16975689713. The reversal of 16975689696 is 69698657961.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 122127195 + ... + 122127333.

It is an arithmetic number, because the mean of its divisors is an integer number (122943744).

Almost surely, 2^16975689696 is an apocalyptic number.

16975689696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16975689696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29506498560).

16975689696 is an abundant number, since it is smaller than the sum of its proper divisors (42037307424).

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

16975689696 is a wasteful number, since it uses less digits than its factorization.

16975689696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 331 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 72.

The spelling of 16975689696 in words is "sixteen billion, nine hundred seventy-five million, six hundred eighty-nine thousand, six hundred ninety-six".