108540660258 has 128 divisors (see below), whose sum is σ = 249255014400. Its totient is φ = 34995070656.

The previous prime is 108540660247. The next prime is 108540660259. The reversal of 108540660258 is 852066045801.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108540660259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73189185 + ... + 73190667.

It is an arithmetic number, because the mean of its divisors is an integer number (1947304800).

Almost surely, 2^108540660258 is an apocalyptic number.

108540660258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108540660258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124627507200).

108540660258 is an abundant number, since it is smaller than the sum of its proper divisors (140714354142).

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

108540660258 is a wasteful number, since it uses less digits than its factorization.

108540660258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 108540660258 in words is "one hundred eight billion, five hundred forty million, six hundred sixty thousand, two hundred fifty-eight".