990963501816 has 64 divisors (see below), whose sum is σ = 2502486604800. Its totient is φ = 326980084608.

The previous prime is 990963501811. The next prime is 990963501889. The reversal of 990963501816 is 618105369099.

990963501816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990963501811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6042225 + ... + 6204063.

It is an arithmetic number, because the mean of its divisors is an integer number (39101353200).

Almost surely, 2^990963501816 is an apocalyptic number.

It is an amenable number.

990963501816 is an abundant number, since it is smaller than the sum of its proper divisors (1511523102984).

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

990963501816 is a wasteful number, since it uses less digits than its factorization.

990963501816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164428 (or 164424 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 990963501816 in words is "nine hundred ninety billion, nine hundred sixty-three million, five hundred one thousand, eight hundred sixteen".