3691616373 has 12 divisors (see below), whose sum is σ = 5333899168. Its totient is φ = 2460355560.

The previous prime is 3691616347. The next prime is 3691616377. The reversal of 3691616373 is 3736161963.

3691616373 is a `hidden beast` number, since 3 + 6 + 9 + 1 + 6 + 1 + 637 + 3 = 666.

It is not a de Polignac number, because 3691616373 - 2⁹ = 3691615861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691616377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26815 + ... + 90012.

Almost surely, 2^3691616373 is an apocalyptic number.

It is an amenable number.

3691616373 is a deficient number, since it is larger than the sum of its proper divisors (1642282795).

3691616373 is a wasteful number, since it uses less digits than its factorization.

3691616373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120344 (or 120341 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 3691616373 is about 60758.6732327163. The cubic root of 3691616373 is about 1545.5113109550.

The spelling of 3691616373 in words is "three billion, six hundred ninety-one million, six hundred sixteen thousand, three hundred seventy-three".