2168268346 has 8 divisors (see below), whose sum is σ = 3364554420. Its totient is φ = 1046750208.

The previous prime is 2168268337. The next prime is 2168268407. The reversal of 2168268346 is 6438628612.

It can be written as a sum of positive squares in 2 ways, for example, as 2163273121 + 4995225 = 46511^2 + 2235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2168268296 and 2168268305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18691911 + ... + 18692026.

Almost surely, 2^2168268346 is an apocalyptic number.

2168268346 is a deficient number, since it is larger than the sum of its proper divisors (1196286074).

2168268346 is a wasteful number, since it uses less digits than its factorization.

2168268346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37383968.

The product of its digits is 663552, while the sum is 46.

The square root of 2168268346 is about 46564.6684300447. The cubic root of 2168268346 is about 1294.3081223401.

The spelling of 2168268346 in words is "two billion, one hundred sixty-eight million, two hundred sixty-eight thousand, three hundred forty-six".