8199166733 has 2 divisors, whose sum is σ = 8199166734. Its totient is φ = 8199166732.

The previous prime is 8199166687. The next prime is 8199166747. The reversal of 8199166733 is 3376619918.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8132793124 + 66373609 = 90182^2 + 8147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8199166733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8199166763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099583366 + 4099583367.

It is an arithmetic number, because the mean of its divisors is an integer number (4099583367).

Almost surely, 2^8199166733 is an apocalyptic number.

It is an amenable number.

8199166733 is a deficient number, since it is larger than the sum of its proper divisors (1).

8199166733 is an equidigital number, since it uses as much as digits as its factorization.

8199166733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 8199166733 is about 90549.2503171617. The cubic root of 8199166733 is about 2016.4613677160.

The spelling of 8199166733 in words is "eight billion, one hundred ninety-nine million, one hundred sixty-six thousand, seven hundred thirty-three".