268615674481 has 16 divisors (see below), whose sum is σ = 334930757760. Its totient is φ = 209290106880.

The previous prime is 268615674473. The next prime is 268615674511. The reversal of 268615674481 is 184476516862.

It is a cyclic number.

It is not a de Polignac number, because 268615674481 - 2³ = 268615674473 is a prime.

It is a super-2 number, since 2×268615674481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268615674181) 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 15 ways as a sum of consecutive naturals, for example, 630195 + ... + 966631.

It is an arithmetic number, because the mean of its divisors is an integer number (20933172360).

Almost surely, 2^268615674481 is an apocalyptic number.

It is an amenable number.

268615674481 is a deficient number, since it is larger than the sum of its proper divisors (66315083279).

268615674481 is a wasteful number, since it uses less digits than its factorization.

268615674481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346824.

The product of its digits is 15482880, while the sum is 58.

The spelling of 268615674481 in words is "two hundred sixty-eight billion, six hundred fifteen million, six hundred seventy-four thousand, four hundred eighty-one".