268605507 has 16 divisors (see below), whose sum is σ = 361131008. Its totient is φ = 177582240.

The previous prime is 268605503. The next prime is 268605529. The reversal of 268605507 is 705506862.

It is a happy number.

It is not a de Polignac number, because 268605507 - 2² = 268605503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268605503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220833 + ... + 222045.

It is an arithmetic number, because the mean of its divisors is an integer number (22570688).

Almost surely, 2^268605507 is an apocalyptic number.

268605507 is a deficient number, since it is larger than the sum of its proper divisors (92525501).

268605507 is a wasteful number, since it uses less digits than its factorization.

268605507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 268605507 is about 16389.1887230576. The cubic root of 268605507 is about 645.2157658043.

The spelling of 268605507 in words is "two hundred sixty-eight million, six hundred five thousand, five hundred seven".