16895664373 has 24 divisors (see below), whose sum is σ = 19789323840. Its totient is φ = 14382728640.

The previous prime is 16895664371. The next prime is 16895664377. The reversal of 16895664373 is 37346659861.

It is a happy number.

It is not a de Polignac number, because 16895664373 - 2¹ = 16895664371 is a prime.

It is a super-2 number, since 2×16895664373² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16895664371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5010378 + ... + 5013748.

It is an arithmetic number, because the mean of its divisors is an integer number (824555160).

Almost surely, 2^16895664373 is an apocalyptic number.

It is an amenable number.

16895664373 is a deficient number, since it is larger than the sum of its proper divisors (2893659467).

16895664373 is a wasteful number, since it uses less digits than its factorization.

16895664373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4050 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 58.

The spelling of 16895664373 in words is "sixteen billion, eight hundred ninety-five million, six hundred sixty-four thousand, three hundred seventy-three".