211316940288 has 160 divisors (see below), whose sum is σ = 652710009600. Its totient is φ = 67376314368.

The previous prime is 211316940281. The next prime is 211316940319. The reversal of 211316940288 is 882049613112.

211316940288 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 169 + 402 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211316940281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14358 + ... + 650261.

It is an arithmetic number, because the mean of its divisors is an integer number (4079437560).

Almost surely, 2^211316940288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211316940288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326355004800).

211316940288 is an abundant number, since it is smaller than the sum of its proper divisors (441393069312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211316940288 is an equidigital number, since it uses as much as digits as its factorization.

211316940288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664669 (or 664647 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 211316940288 in words is "two hundred eleven billion, three hundred sixteen million, nine hundred forty thousand, two hundred eighty-eight".