108349279818 has 64 divisors (see below), whose sum is σ = 240523635072. Its totient is φ = 32322343680.

The previous prime is 108349279793. The next prime is 108349279849. The reversal of 108349279818 is 818972943801.

It is a super-2 number, since 2×108349279818² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 750408 + ... + 883068.

It is an arithmetic number, because the mean of its divisors is an integer number (3758181798).

Almost surely, 2^108349279818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108349279818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120261817536).

108349279818 is an abundant number, since it is smaller than the sum of its proper divisors (132174355254).

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

108349279818 is a wasteful number, since it uses less digits than its factorization.

108349279818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132999.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 108349279818 in words is "one hundred eight billion, three hundred forty-nine million, two hundred seventy-nine thousand, eight hundred eighteen".