9656946658 has 32 divisors (see below), whose sum is σ = 15397776000. Its totient is φ = 4532474496.

The previous prime is 9656946623. The next prime is 9656946667. The reversal of 9656946658 is 8566496569.

It is a self number, because there is not a number n which added to its sum of digits gives 9656946658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769518 + ... + 1774966.

It is an arithmetic number, because the mean of its divisors is an integer number (481180500).

Almost surely, 2^9656946658 is an apocalyptic number.

9656946658 is a deficient number, since it is larger than the sum of its proper divisors (5740829342).

9656946658 is a wasteful number, since it uses less digits than its factorization.

9656946658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its digits is 83980800, while the sum is 64.

The square root of 9656946658 is about 98269.7647193683. The cubic root of 9656946658 is about 2129.5112765590.

The spelling of 9656946658 in words is "nine billion, six hundred fifty-six million, nine hundred forty-six thousand, six hundred fifty-eight".