268968190 has 16 divisors (see below), whose sum is σ = 484821792. Its totient is φ = 107436384.

The previous prime is 268968181. The next prime is 268968191. The reversal of 268968190 is 91869862.

It is a happy number.

It is a super-2 number, since 2×268968190² = 144687774463752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268968191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11229 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (30301362).

Almost surely, 2^268968190 is an apocalyptic number.

268968190 is a deficient number, since it is larger than the sum of its proper divisors (215853602).

268968190 is a wasteful number, since it uses less digits than its factorization.

268968190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37731.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 268968190 is about 16400.2496932211. The cubic root of 268968190 is about 645.5060347917.

The spelling of 268968190 in words is "two hundred sixty-eight million, nine hundred sixty-eight thousand, one hundred ninety".