108406470418 has 4 divisors (see below), whose sum is σ = 162609705630. Its totient is φ = 54203235208.

The previous prime is 108406470413. The next prime is 108406470421. The reversal of 108406470418 is 814074604801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814074604801 = 58909 ⋅13819189.

It can be written as a sum of positive squares in only one way, i.e., 85470276609 + 22936193809 = 292353^2 + 151447^2 .

It is not an unprimeable number, because it can be changed into a prime (108406470413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27101617603 + ... + 27101617606.

Almost surely, 2^108406470418 is an apocalyptic number.

108406470418 is a deficient number, since it is larger than the sum of its proper divisors (54203235212).

108406470418 is an equidigital number, since it uses as much as digits as its factorization.

108406470418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54203235211.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 108406470418 in words is "one hundred eight billion, four hundred six million, four hundred seventy thousand, four hundred eighteen".