83515376165 has 8 divisors (see below), whose sum is σ = 107927563128. Its totient is φ = 61672893120.

The previous prime is 83515376137. The next prime is 83515376201. The reversal of 83515376165 is 56167351538.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8615181124 + 74900195041 = 92818^2 + 273679^2 .

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

It is not a de Polignac number, because 83515376165 - 2⁶ = 83515376101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642425906 + ... + 642426035.

It is an arithmetic number, because the mean of its divisors is an integer number (13490945391).

Almost surely, 2^83515376165 is an apocalyptic number.

It is an amenable number.

83515376165 is a deficient number, since it is larger than the sum of its proper divisors (24412186963).

83515376165 is a wasteful number, since it uses less digits than its factorization.

83515376165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284851959.

The product of its digits is 2268000, while the sum is 50.

The spelling of 83515376165 in words is "eighty-three billion, five hundred fifteen million, three hundred seventy-six thousand, one hundred sixty-five".