966556646484 has 48 divisors (see below), whose sum is σ = 2649581860800. Its totient is φ = 270365495040.

The previous prime is 966556646479. The next prime is 966556646507. The reversal of 966556646484 is 484646655669.

It is a super-2 number, since 2×966556646484² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281629009 + ... + 281632440.

It is an arithmetic number, because the mean of its divisors is an integer number (55199622100).

Almost surely, 2^966556646484 is an apocalyptic number.

It is an amenable number.

966556646484 is an abundant number, since it is smaller than the sum of its proper divisors (1683025214316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966556646484 is a wasteful number, since it uses less digits than its factorization.

966556646484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563261480 (or 563261478 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 69.

The spelling of 966556646484 in words is "nine hundred sixty-six billion, five hundred fifty-six million, six hundred forty-six thousand, four hundred eighty-four".