2111166464 has 96 divisors (see below), whose sum is σ = 4755179520. Its totient is φ = 928358400.

The previous prime is 2111166377. The next prime is 2111166479. The reversal of 2111166464 is 4646611112.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2111166464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696857 + ... + 699879.

It is an arithmetic number, because the mean of its divisors is an integer number (49533120).

Almost surely, 2^2111166464 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 2111166464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377589760).

2111166464 is an abundant number, since it is smaller than the sum of its proper divisors (2644013056).

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

2111166464 is a wasteful number, since it uses less digits than its factorization.

2111166464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3067 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2111166464 is about 45947.4315277797. The cubic root of 2111166464 is about 1282.8449222042.

Adding to 2111166464 its reverse (4646611112), we get a palindrome (6757777576).

The spelling of 2111166464 in words is "two billion, one hundred eleven million, one hundred sixty-six thousand, four hundred sixty-four".