83716665613 has 8 divisors (see below), whose sum is σ = 98009755200. Its totient is φ = 70006967520.

The previous prime is 83716665581. The next prime is 83716665653. The reversal of 83716665613 is 31656661738.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83716665613 - 2⁵ = 83716665581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83716665653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145847563 + ... + 145848136.

It is an arithmetic number, because the mean of its divisors is an integer number (12251219400).

Almost surely, 2^83716665613 is an apocalyptic number.

It is an amenable number.

83716665613 is a deficient number, since it is larger than the sum of its proper divisors (14293089587).

83716665613 is a wasteful number, since it uses less digits than its factorization.

83716665613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291695747.

The product of its digits is 3265920, while the sum is 52.

The spelling of 83716665613 in words is "eighty-three billion, seven hundred sixteen million, six hundred sixty-five thousand, six hundred thirteen".