268101653 has 4 divisors (see below), whose sum is σ = 270474348. Its totient is φ = 265728960.

The previous prime is 268101599. The next prime is 268101707. The reversal of 268101653 is 356101862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (268101599) and next prime (268101707).

It can be written as a sum of positive squares in 2 ways, for example, as 20448484 + 247653169 = 4522^2 + 15737^2 .

It is a cyclic number.

It is not a de Polignac number, because 268101653 - 2⁸ = 268101397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268103653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186178 + ... + 1186403.

It is an arithmetic number, because the mean of its divisors is an integer number (67618587).

Almost surely, 2^268101653 is an apocalyptic number.

It is an amenable number.

268101653 is a deficient number, since it is larger than the sum of its proper divisors (2372695).

268101653 is a wasteful number, since it uses less digits than its factorization.

268101653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372694.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 268101653 is about 16373.8099720254. The cubic root of 268101653 is about 644.8120783390.

The spelling of 268101653 in words is "two hundred sixty-eight million, one hundred one thousand, six hundred fifty-three".