8106464194 has 4 divisors (see below), whose sum is σ = 12159696294. Its totient is φ = 4053232096.

The previous prime is 8106464153. The next prime is 8106464207. The reversal of 8106464194 is 4914646018.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4914646018 = 2 ⋅2457323009.

It can be written as a sum of positive squares in only one way, i.e., 7636138225 + 470325969 = 87385^2 + 21687^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8106464194.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2026616047 + ... + 2026616050.

Almost surely, 2^8106464194 is an apocalyptic number.

8106464194 is a deficient number, since it is larger than the sum of its proper divisors (4053232100).

8106464194 is a wasteful number, since it uses less digits than its factorization.

8106464194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053232099.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 8106464194 is about 90035.9050268280. The cubic root of 8106464194 is about 2008.8329482497.

The spelling of 8106464194 in words is "eight billion, one hundred six million, four hundred sixty-four thousand, one hundred ninety-four".