108999854446 has 32 divisors (see below), whose sum is σ = 187476341760. Its totient is φ = 46559481696.

The previous prime is 108999854419. The next prime is 108999854449. The reversal of 108999854446 is 644458999801.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108999854449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18569200 + ... + 18575068.

It is an arithmetic number, because the mean of its divisors is an integer number (5858635680).

Almost surely, 2^108999854446 is an apocalyptic number.

108999854446 is a deficient number, since it is larger than the sum of its proper divisors (78476487314).

108999854446 is a wasteful number, since it uses less digits than its factorization.

108999854446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048.

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 108999854446 in words is "one hundred eight billion, nine hundred ninety-nine million, eight hundred fifty-four thousand, four hundred forty-six".