966446646 has 16 divisors (see below), whose sum is σ = 2108611008. Its totient is φ = 292862600.

The previous prime is 966446641. The next prime is 966446707. The reversal of 966446646 is 646644669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966446641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7321500 + ... + 7321631.

It is an arithmetic number, because the mean of its divisors is an integer number (131788188).

Almost surely, 2^966446646 is an apocalyptic number.

966446646 is an abundant number, since it is smaller than the sum of its proper divisors (1142164362).

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

966446646 is a wasteful number, since it uses less digits than its factorization.

966446646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643147.

The product of its digits is 4478976, while the sum is 51.

The square root of 966446646 is about 31087.7250052171. The cubic root of 966446646 is about 988.6880714291.

The spelling of 966446646 in words is "nine hundred sixty-six million, four hundred forty-six thousand, six hundred forty-six".