16975027664 has 60 divisors (see below), whose sum is σ = 38389863204. Its totient is φ = 7250084352.

The previous prime is 16975027627. The next prime is 16975027717. The reversal of 16975027664 is 46672057961.

It can be written as a sum of positive squares in 2 ways, for example, as 14395200400 + 2579827264 = 119980^2 + 50792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192764 + ... + 266660.

Almost surely, 2^16975027664 is an apocalyptic number.

16975027664 is a gapful number since it is divisible by the number (14) 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 16975027664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19194931602).

16975027664 is an abundant number, since it is smaller than the sum of its proper divisors (21414835540).

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

16975027664 is a wasteful number, since it uses less digits than its factorization.

16975027664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74212 (or 74199 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 16975027664 in words is "sixteen billion, nine hundred seventy-five million, twenty-seven thousand, six hundred sixty-four".