16685776373 has 16 divisors (see below), whose sum is σ = 20040324480. Its totient is φ = 13591924416.

The previous prime is 16685776339. The next prime is 16685776411. The reversal of 16685776373 is 37367758661.

It is not a de Polignac number, because 16685776373 - 2¹² = 16685772277 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16685776073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737978 + ... + 760251.

It is an arithmetic number, because the mean of its divisors is an integer number (1252520280).

Almost surely, 2^16685776373 is an apocalyptic number.

It is an amenable number.

16685776373 is a deficient number, since it is larger than the sum of its proper divisors (3354548107).

16685776373 is a wasteful number, since it uses less digits than its factorization.

16685776373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498316.

The product of its digits is 26671680, while the sum is 59.

The spelling of 16685776373 in words is "sixteen billion, six hundred eighty-five million, seven hundred seventy-six thousand, three hundred seventy-three".