9910991763960 has 224 divisors, whose sum is σ = 34688478465360. Its totient is φ = 2265366319104.

The previous prime is 9910991763899. The next prime is 9910991763979. The reversal of 9910991763960 is 693671990199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13766872 + ... + 14468888.

Almost surely, 2^{9910991763960} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9910991763960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17344239232680).

9910991763960 is an abundant number, since it is smaller than the sum of its proper divisors (24777486701400).

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

9910991763960 is an frugal number, since it uses more digits than its factorization.

9910991763960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702073 (or 702034 counting only the distinct ones).

The product of its (nonzero) digits is 44641044, while the sum is 69.

The spelling of 9910991763960 in words is "nine trillion, nine hundred ten billion, nine hundred ninety-one million, seven hundred sixty-three thousand, nine hundred sixty".