3561341656 has 16 divisors (see below), whose sum is σ = 6686514000. Its totient is φ = 1778271264.

The previous prime is 3561341647. The next prime is 3561341671. The reversal of 3561341656 is 6561431653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293631 + ... + 305518.

It is an arithmetic number, because the mean of its divisors is an integer number (417907125).

Almost surely, 2^3561341656 is an apocalyptic number.

It is an amenable number.

3561341656 is a deficient number, since it is larger than the sum of its proper divisors (3125172344).

3561341656 is a wasteful number, since it uses less digits than its factorization.

3561341656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599898 (or 599894 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 3561341656 is about 59676.9776044330. The cubic root of 3561341656 is about 1527.1131369843.

The spelling of 3561341656 in words is "three billion, five hundred sixty-one million, three hundred forty-one thousand, six hundred fifty-six".