3417391661 has 16 divisors (see below), whose sum is σ = 3648939840. Its totient is φ = 3191299200.

The previous prime is 3417391633. The next prime is 3417391709. The reversal of 3417391661 is 1661937143.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3417391661 - 2¹⁰ = 3417390637 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 (3417394661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443306 + ... + 450948.

It is an arithmetic number, because the mean of its divisors is an integer number (228058740).

Almost surely, 2^3417391661 is an apocalyptic number.

It is an amenable number.

3417391661 is a deficient number, since it is larger than the sum of its proper divisors (231548179).

3417391661 is a wasteful number, since it uses less digits than its factorization.

3417391661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996.

The product of its digits is 81648, while the sum is 41.

The square root of 3417391661 is about 58458.4609872686. The cubic root of 3417391661 is about 1506.2541337077.

The spelling of 3417391661 in words is "three billion, four hundred seventeen million, three hundred ninety-one thousand, six hundred sixty-one".