2211166064 has 80 divisors (see below), whose sum is σ = 4677932736. Its totient is φ = 1008537600.

The previous prime is 2211166051. The next prime is 2211166079. The reversal of 2211166064 is 4606611122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177094 + ... + 1178970.

Almost surely, 2^2211166064 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 2211166064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338966368).

2211166064 is an abundant number, since it is smaller than the sum of its proper divisors (2466766672).

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

2211166064 is a wasteful number, since it uses less digits than its factorization.

2211166064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2211166064 is about 47023.0375879738. The cubic root of 2211166064 is about 1302.7881115226.

Adding to 2211166064 its reverse (4606611122), we get a palindrome (6817777186).

The spelling of 2211166064 in words is "two billion, two hundred eleven million, one hundred sixty-six thousand, sixty-four".