9965380662 has 24 divisors (see below), whose sum is σ = 21604358880. Its totient is φ = 3319839600.

The previous prime is 9965380619. The next prime is 9965380679. The reversal of 9965380662 is 2660835699.

It is a junction number, because it is equal to n+sod(n) for n = 9965380599 and 9965380608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131214 + ... + 192737.

It is an arithmetic number, because the mean of its divisors is an integer number (900181620).

Almost surely, 2^9965380662 is an apocalyptic number.

9965380662 is an abundant number, since it is smaller than the sum of its proper divisors (11638978218).

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

9965380662 is a wasteful number, since it uses less digits than its factorization.

9965380662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325668 (or 325665 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The square root of 9965380662 is about 99826.7532377969. The cubic root of 9965380662 is about 2151.9456454247.

The spelling of 9965380662 in words is "nine billion, nine hundred sixty-five million, three hundred eighty thousand, six hundred sixty-two".