211466190 has 64 divisors (see below), whose sum is σ = 564221952. Its totient is φ = 50371200.

The previous prime is 211466161. The next prime is 211466191. The reversal of 211466190 is 91664112.

It is a happy number.

211466190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211466190² = 89435899026232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211466191) 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 31 ways as a sum of consecutive naturals, for example, 3345 + ... + 20835.

It is an arithmetic number, because the mean of its divisors is an integer number (8815968).

Almost surely, 2^211466190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211466190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282110976).

211466190 is an abundant number, since it is smaller than the sum of its proper divisors (352755762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211466190 is a wasteful number, since it uses less digits than its factorization.

211466190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 211466190 is about 14541.8771140455. The cubic root of 211466190 is about 595.7723087886.

The spelling of 211466190 in words is "two hundred eleven million, four hundred sixty-six thousand, one hundred ninety".