83601668585 has 8 divisors (see below), whose sum is σ = 101111940096. Its totient is φ = 66354709680.

The previous prime is 83601668573. The next prime is 83601668701. The reversal of 83601668585 is 58586610638.

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

It is not a de Polignac number, because 83601668585 - 2³² = 79306701289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83601668585.

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, 65827451 + ... + 65828720.

It is an arithmetic number, because the mean of its divisors is an integer number (12638992512).

Almost surely, 2^83601668585 is an apocalyptic number.

It is an amenable number.

83601668585 is a deficient number, since it is larger than the sum of its proper divisors (17510271511).

83601668585 is a wasteful number, since it uses less digits than its factorization.

83601668585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131656303.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 83601668585 in words is "eighty-three billion, six hundred one million, six hundred sixty-eight thousand, five hundred eighty-five".