268863190 has 8 divisors (see below), whose sum is σ = 483953760. Its totient is φ = 107545272.

The previous prime is 268863181. The next prime is 268863197. The reversal of 268863190 is 91368862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×268863190² = 144574829873952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268863197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13443150 + ... + 13443169.

It is an arithmetic number, because the mean of its divisors is an integer number (60494220).

Almost surely, 2^268863190 is an apocalyptic number.

268863190 is a deficient number, since it is larger than the sum of its proper divisors (215090570).

268863190 is a wasteful number, since it uses less digits than its factorization.

268863190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886326.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 268863190 is about 16397.0482099675. The cubic root of 268863190 is about 645.4220261519.

The spelling of 268863190 in words is "two hundred sixty-eight million, eight hundred sixty-three thousand, one hundred ninety".