211364768 has 12 divisors (see below), whose sum is σ = 416124450. Its totient is φ = 105682368.

The previous prime is 211364761. The next prime is 211364771. The reversal of 211364768 is 867463112.

It can be written as a sum of positive squares in only one way, i.e., 179238544 + 32126224 = 13388^2 + 5668^2 .

It is not an unprimeable number, because it can be changed into a prime (211364761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302543 + ... + 3302606.

Almost surely, 2^211364768 is an apocalyptic number.

It is an amenable number.

211364768 is a deficient number, since it is larger than the sum of its proper divisors (204759682).

211364768 is an equidigital number, since it uses as much as digits as its factorization.

211364768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6605159 (or 6605151 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 211364768 is about 14538.3894568828. The cubic root of 211364768 is about 595.6770467804.

The spelling of 211364768 in words is "two hundred eleven million, three hundred sixty-four thousand, seven hundred sixty-eight".