268169620476 has 12 divisors (see below), whose sum is σ = 625729114472. Its totient is φ = 89389873488.

The previous prime is 268169620471. The next prime is 268169620493. The reversal of 268169620476 is 674026961862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268169620471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173734175 + ... + 11173734198.

Almost surely, 2^268169620476 is an apocalyptic number.

It is an amenable number.

268169620476 is an abundant number, since it is smaller than the sum of its proper divisors (357559493996).

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

268169620476 is a wasteful number, since it uses less digits than its factorization.

268169620476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347468380 (or 22347468378 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 268169620476 in words is "two hundred sixty-eight billion, one hundred sixty-nine million, six hundred twenty thousand, four hundred seventy-six".