83168361 has 6 divisors (see below), whose sum is σ = 120132090. Its totient is φ = 55445568.

The previous prime is 83168357. The next prime is 83168383. The reversal of 83168361 is 16386138.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 921600 = 9069^2 + 960^2 .

It is not a de Polignac number, because 83168361 - 2² = 83168357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83168311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4620456 + ... + 4620473.

It is an arithmetic number, because the mean of its divisors is an integer number (20022015).

Almost surely, 2^83168361 is an apocalyptic number.

It is an amenable number.

83168361 is a deficient number, since it is larger than the sum of its proper divisors (36963729).

83168361 is a wasteful number, since it uses less digits than its factorization.

83168361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240935 (or 9240932 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 83168361 is about 9119.6689084637. The cubic root of 83168361 is about 436.5018087414.

It can be divided in two parts, 831683 and 61, that added together give a square (831744 = 912²).

The spelling of 83168361 in words is "eighty-three million, one hundred sixty-eight thousand, three hundred sixty-one".