268212190 has 8 divisors (see below), whose sum is σ = 482781960. Its totient is φ = 107284872.

The previous prime is 268212163. The next prime is 268212193. The reversal of 268212190 is 91212862.

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

It is a super-2 number, since 2×268212190² = 143875557729192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268212193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13410600 + ... + 13410619.

It is an arithmetic number, because the mean of its divisors is an integer number (60347745).

Almost surely, 2^268212190 is an apocalyptic number.

268212190 is a deficient number, since it is larger than the sum of its proper divisors (214569770).

268212190 is a wasteful number, since it uses less digits than its factorization.

268212190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26821226.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 268212190 is about 16377.1850450558. The cubic root of 268212190 is about 644.9006837848.

The spelling of 268212190 in words is "two hundred sixty-eight million, two hundred twelve thousand, one hundred ninety".