268687153 has 16 divisors (see below), whose sum is σ = 309899520. Its totient is φ = 228194496.

The previous prime is 268687141. The next prime is 268687163. The reversal of 268687153 is 351786862.

It is a cyclic number.

It is not a de Polignac number, because 268687153 - 2¹³ = 268678961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268687163) 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, 551476 + ... + 551962.

It is an arithmetic number, because the mean of its divisors is an integer number (19368720).

Almost surely, 2^268687153 is an apocalyptic number.

It is an amenable number.

268687153 is a deficient number, since it is larger than the sum of its proper divisors (41212367).

268687153 is a wasteful number, since it uses less digits than its factorization.

268687153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 483840, while the sum is 46.

The square root of 268687153 is about 16391.6793831505. The cubic root of 268687153 is about 645.2811329797.

The spelling of 268687153 in words is "two hundred sixty-eight million, six hundred eighty-seven thousand, one hundred fifty-three".