99445263105816 has 64 divisors (see below), whose sum is σ = 276238409395200. Its totient is φ = 33148232943264.

The previous prime is 99445263105751. The next prime is 99445263105833. The reversal of 99445263105816 is 61850136254499.

99445263105816 is a `hidden beast` number, since 9 + 9 + 4 + 45 + 2 + 6 + 3 + 1 + 0 + 581 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39842445 + ... + 42264771.

It is an arithmetic number, because the mean of its divisors is an integer number (4316225146800).

Almost surely, 2^{99445263105816} is an apocalyptic number.

It is an amenable number.

99445263105816 is an abundant number, since it is smaller than the sum of its proper divisors (176793146289384).

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

99445263105816 is a wasteful number, since it uses less digits than its factorization.

99445263105816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612405 (or 2612395 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 99445263105816 in words is "ninety-nine trillion, four hundred forty-five billion, two hundred sixty-three million, one hundred five thousand, eight hundred sixteen".