211616053 has 24 divisors (see below), whose sum is σ = 248018400. Its totient is φ = 179894880.

The previous prime is 211616039. The next prime is 211616063. The reversal of 211616053 is 350616112.

It is a de Polignac number, because none of the positive numbers 2^k-211616053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211616063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190263 + ... + 191371.

It is an arithmetic number, because the mean of its divisors is an integer number (10334100).

Almost surely, 2^211616053 is an apocalyptic number.

It is an amenable number.

211616053 is a deficient number, since it is larger than the sum of its proper divisors (36402347).

211616053 is a wasteful number, since it uses less digits than its factorization.

211616053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 211616053 is about 14547.0290093888. The cubic root of 211616053 is about 595.9130139330.

The spelling of 211616053 in words is "two hundred eleven million, six hundred sixteen thousand, fifty-three".