3696343668 has 18 divisors (see below), whose sum is σ = 9343535474. Its totient is φ = 1232114544.

The previous prime is 3696343661. The next prime is 3696343669. The reversal of 3696343668 is 8663436963.

It can be written as a sum of positive squares in only one way, i.e., 3332983824 + 363359844 = 57732^2 + 19062^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696343661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51338071 + ... + 51338142.

Almost surely, 2^3696343668 is an apocalyptic number.

It is an amenable number.

3696343668 is an abundant number, since it is smaller than the sum of its proper divisors (5647191806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3696343668 is a wasteful number, since it uses less digits than its factorization.

3696343668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102676223 (or 102676218 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 54.

The square root of 3696343668 is about 60797.5630103707. The cubic root of 3696343668 is about 1546.1707304586.

The spelling of 3696343668 in words is "three billion, six hundred ninety-six million, three hundred forty-three thousand, six hundred sixty-eight".