211351163764 has 12 divisors (see below), whose sum is σ = 398315654884. Its totient is φ = 97546690944.

The previous prime is 211351163761. The next prime is 211351163791. The reversal of 211351163764 is 467361153112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137425904100 + 73925259664 = 370710^2 + 271892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211351163761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032222677 + ... + 2032222780.

Almost surely, 2^211351163764 is an apocalyptic number.

It is an amenable number.

211351163764 is a deficient number, since it is larger than the sum of its proper divisors (186964491120).

211351163764 is a wasteful number, since it uses less digits than its factorization.

211351163764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064445474 (or 4064445472 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 211351163764 in words is "two hundred eleven billion, three hundred fifty-one million, one hundred sixty-three thousand, seven hundred sixty-four".