211354066 has 32 divisors (see below), whose sum is σ = 396369792. Its totient is φ = 82114560.

The previous prime is 211354049. The next prime is 211354069. The reversal of 211354066 is 660453112.

211354066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211354069) 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 15 ways as a sum of consecutive naturals, for example, 59410 + ... + 62866.

It is an arithmetic number, because the mean of its divisors is an integer number (12386556).

Almost surely, 2^211354066 is an apocalyptic number.

211354066 is a deficient number, since it is larger than the sum of its proper divisors (185015726).

211354066 is a wasteful number, since it uses less digits than its factorization.

211354066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 211354066 is about 14538.0213921978. The cubic root of 211354066 is about 595.6669930024. Note that the first 3 decimals are identical.

The spelling of 211354066 in words is "two hundred eleven million, three hundred fifty-four thousand, sixty-six".