2164987110 has 128 divisors (see below), whose sum is σ = 6425879040. Its totient is φ = 458956800.

The previous prime is 2164987087. The next prime is 2164987127. The reversal of 2164987110 is 117894612.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68230 + ... + 94790.

It is an arithmetic number, because the mean of its divisors is an integer number (50202180).

Almost surely, 2^2164987110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2164987110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212939520).

2164987110 is an abundant number, since it is smaller than the sum of its proper divisors (4260891930).

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

2164987110 is a wasteful number, since it uses less digits than its factorization.

2164987110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26614.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 2164987110 is about 46529.4219822254. The cubic root of 2164987110 is about 1293.6549014558.

The spelling of 2164987110 in words is "two billion, one hundred sixty-four million, nine hundred eighty-seven thousand, one hundred ten".