966887788646 has 32 divisors (see below), whose sum is σ = 1638710282496. Its totient is φ = 424780848000.

The previous prime is 966887788627. The next prime is 966887788651. The reversal of 966887788646 is 646887788669.

It is a congruent number.

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, 9783725 + ... + 9882056.

It is an arithmetic number, because the mean of its divisors is an integer number (51209696328).

Almost surely, 2^966887788646 is an apocalyptic number.

966887788646 is a deficient number, since it is larger than the sum of its proper divisors (671822493850).

966887788646 is a wasteful number, since it uses less digits than its factorization.

966887788646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19665888.

The product of its digits is 9364045824, while the sum is 83.

The spelling of 966887788646 in words is "nine hundred sixty-six billion, eight hundred eighty-seven million, seven hundred eighty-eight thousand, six hundred forty-six".