108822991690 has 32 divisors (see below), whose sum is σ = 224226184320. Its totient is φ = 37250449344.

The previous prime is 108822991687. The next prime is 108822991699. The reversal of 108822991690 is 96199228801.

It is a super-2 number, since 2×108822991690² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (108822991699) 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, 1212417 + ... + 1299076.

It is an arithmetic number, because the mean of its divisors is an integer number (7007068260).

Almost surely, 2^108822991690 is an apocalyptic number.

108822991690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108822991690 is an abundant number, since it is smaller than the sum of its proper divisors (115403192630).

108822991690 is a wasteful number, since it uses less digits than its factorization.

108822991690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512126.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 108822991690 in words is "one hundred eight billion, eight hundred twenty-two million, nine hundred ninety-one thousand, six hundred ninety".