83600561 has 16 divisors (see below), whose sum is σ = 96743808. Its totient is φ = 71491200.

The previous prime is 83600537. The next prime is 83600563. The reversal of 83600561 is 16500638.

It is not a de Polignac number, because 83600561 - 2¹⁸ = 83338417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83600563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12725 + ... + 18141.

It is an arithmetic number, because the mean of its divisors is an integer number (6046488).

Almost surely, 2^83600561 is an apocalyptic number.

It is an amenable number.

83600561 is a deficient number, since it is larger than the sum of its proper divisors (13143247).

83600561 is a wasteful number, since it uses less digits than its factorization.

83600561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 83600561 is about 9143.3342386681. The cubic root of 83600561 is about 437.2566239304.

The spelling of 83600561 in words is "eighty-three million, six hundred thousand, five hundred sixty-one".