211166342 has 16 divisors (see below), whose sum is σ = 344919600. Its totient is φ = 96576480.

The previous prime is 211166341. The next prime is 211166357. The reversal of 211166342 is 243661112.

211166342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211166341) 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 7 ways as a sum of consecutive naturals, for example, 94709 + ... + 96912.

It is an arithmetic number, because the mean of its divisors is an integer number (21557475).

Almost surely, 2^211166342 is an apocalyptic number.

211166342 is a deficient number, since it is larger than the sum of its proper divisors (133753258).

211166342 is a wasteful number, since it uses less digits than its factorization.

211166342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191671.

The product of its digits is 1728, while the sum is 26.

The square root of 211166342 is about 14531.5636460775. The cubic root of 211166342 is about 595.4905842627.

The spelling of 211166342 in words is "two hundred eleven million, one hundred sixty-six thousand, three hundred forty-two".