83617236660 has 96 divisors (see below), whose sum is σ = 248000901120. Its totient is φ = 20977788928.

The previous prime is 83617236617. The next prime is 83617236697. The reversal of 83617236660 is 6663271638.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2725486 + ... + 2755994.

It is an arithmetic number, because the mean of its divisors is an integer number (2583342720).

Almost surely, 2^83617236660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83617236660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124000450560).

83617236660 is an abundant number, since it is smaller than the sum of its proper divisors (164383664460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83617236660 is a wasteful number, since it uses less digits than its factorization.

83617236660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33225 (or 33223 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 83617236660 in words is "eighty-three billion, six hundred seventeen million, two hundred thirty-six thousand, six hundred sixty".