211664316773 has 8 divisors (see below), whose sum is σ = 260509928448. Its totient is φ = 167470668144.

The previous prime is 211664316761. The next prime is 211664316779. The reversal of 211664316773 is 377613466112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211664316773 - 2⁴ = 211664316757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211664316779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162990661 + ... + 1162990842.

It is an arithmetic number, because the mean of its divisors is an integer number (32563741056).

Almost surely, 2^211664316773 is an apocalyptic number.

It is an amenable number.

211664316773 is a deficient number, since it is larger than the sum of its proper divisors (48845611675).

211664316773 is a wasteful number, since it uses less digits than its factorization.

211664316773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325981523.

The product of its digits is 762048, while the sum is 47.

The spelling of 211664316773 in words is "two hundred eleven billion, six hundred sixty-four million, three hundred sixteen thousand, seven hundred seventy-three".