268856061 has 16 divisors (see below), whose sum is σ = 380107200. Its totient is φ = 168559488.

The previous prime is 268856053. The next prime is 268856069. The reversal of 268856061 is 160658862.

It is an interprime number because it is at equal distance from previous prime (268856053) and next prime (268856069).

It is not a de Polignac number, because 268856061 - 2³ = 268856053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268856069) 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, 9406 + ... + 25023.

It is an arithmetic number, because the mean of its divisors is an integer number (23756700).

Almost surely, 2^268856061 is an apocalyptic number.

It is an amenable number.

268856061 is a deficient number, since it is larger than the sum of its proper divisors (111251139).

268856061 is a wasteful number, since it uses less digits than its factorization.

268856061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34588.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 268856061 is about 16396.8308218387. The cubic root of 268856061 is about 645.4163215725.

The spelling of 268856061 in words is "two hundred sixty-eight million, eight hundred fifty-six thousand, sixty-one".