268552691 has 8 divisors (see below), whose sum is σ = 293166768. Its totient is φ = 243972000.

The previous prime is 268552667. The next prime is 268552693. The reversal of 268552691 is 196255862.

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

It is a cyclic number.

It is not a de Polignac number, because 268552691 - 2²² = 264358387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268552693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10301 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (36645846).

Almost surely, 2^268552691 is an apocalyptic number.

268552691 is a deficient number, since it is larger than the sum of its proper divisors (24614077).

268552691 is a wasteful number, since it uses less digits than its factorization.

268552691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693.

The product of its digits is 259200, while the sum is 44.

The square root of 268552691 is about 16387.5773377275. The cubic root of 268552691 is about 645.1734733608.

The spelling of 268552691 in words is "two hundred sixty-eight million, five hundred fifty-two thousand, six hundred ninety-one".