191466 has 24 divisors (see below), whose sum is σ = 453024. Its totient is φ = 57960.

The previous prime is 191461. The next prime is 191467. The reversal of 191466 is 664191.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 191466.

It is not an unprimeable number, because it can be changed into a prime (191461) by changing a digit.

191466 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (18876).

2¹⁹¹⁴⁶⁶ is an apocalyptic number.

191466 is an abundant number, since it is smaller than the sum of its proper divisors (261558).

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

191466 is a wasteful number, since it uses less digits than its factorization.

191466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 983 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 191466 is about 437.5682803860. The cubic root of 191466 is about 57.6364497304.

It can be divided in two parts, 19 and 1466, that added together give a triangular number (1485 = T₅₄).

The spelling of 191466 in words is "one hundred ninety-one thousand, four hundred sixty-six".