83693161 has 2 divisors, whose sum is σ = 83693162. Its totient is φ = 83693160.

The previous prime is 83693147. The next prime is 83693171. The reversal of 83693161 is 16139638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44555625 + 39137536 = 6675^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 83693161 - 2¹³ = 83684969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83693161.

It is not a weakly prime, because it can be changed into another prime (83693131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41846580 + 41846581.

It is an arithmetic number, because the mean of its divisors is an integer number (41846581).

Almost surely, 2^83693161 is an apocalyptic number.

It is an amenable number.

83693161 is a deficient number, since it is larger than the sum of its proper divisors (1).

83693161 is an equidigital number, since it uses as much as digits as its factorization.

83693161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 83693161 is about 9148.3966354766. The cubic root of 83693161 is about 437.4180065118.

The spelling of 83693161 in words is "eighty-three million, six hundred ninety-three thousand, one hundred sixty-one".