268204653 has 24 divisors (see below), whose sum is σ = 400807680. Its totient is φ = 172644480.

The previous prime is 268204639. The next prime is 268204663. The reversal of 268204653 is 356402862.

It is not a de Polignac number, because 268204653 - 2⁸ = 268204397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268204663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171925 + ... + 173477.

It is an arithmetic number, because the mean of its divisors is an integer number (16700320).

Almost surely, 2^268204653 is an apocalyptic number.

It is an amenable number.

268204653 is a deficient number, since it is larger than the sum of its proper divisors (132603027).

268204653 is a wasteful number, since it uses less digits than its factorization.

268204653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 268204653 is about 16376.9549367396. The cubic root of 268204653 is about 644.8946429681.

The spelling of 268204653 in words is "two hundred sixty-eight million, two hundred four thousand, six hundred fifty-three".