990964668 has 12 divisors (see below), whose sum is σ = 2312250920. Its totient is φ = 330321552.

The previous prime is 990964657. The next prime is 990964699. The reversal of 990964668 is 866469099.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41290183 + ... + 41290206.

Almost surely, 2^990964668 is an apocalyptic number.

It is an amenable number.

990964668 is an abundant number, since it is smaller than the sum of its proper divisors (1321286252).

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

990964668 is a wasteful number, since it uses less digits than its factorization.

990964668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82580396 (or 82580394 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 57.

The square root of 990964668 is about 31479.5912934079. The cubic root of 990964668 is about 996.9791060558.

The spelling of 990964668 in words is "nine hundred ninety million, nine hundred sixty-four thousand, six hundred sixty-eight".