3190669661 has 4 divisors (see below), whose sum is σ = 3191637792. Its totient is φ = 3189701532.

The previous prime is 3190669609. The next prime is 3190669679. The reversal of 3190669661 is 1669660913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3190669661 - 2³⁰ = 2116927837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3190669681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479105 + ... + 485718.

It is an arithmetic number, because the mean of its divisors is an integer number (797909448).

Almost surely, 2^3190669661 is an apocalyptic number.

It is an amenable number.

3190669661 is a deficient number, since it is larger than the sum of its proper divisors (968131).

3190669661 is an equidigital number, since it uses as much as digits as its factorization.

3190669661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968130.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 3190669661 is about 56486.0129678135. The cubic root of 3190669661 is about 1472.1789859262.

The spelling of 3190669661 in words is "three billion, one hundred ninety million, six hundred sixty-nine thousand, six hundred sixty-one".