2181107752 has 64 divisors (see below), whose sum is σ = 4426488000. Its totient is φ = 1003754496.

The previous prime is 2181107741. The next prime is 2181107813. The reversal of 2181107752 is 2577011812.

2181107752 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836903 + ... + 1838089.

It is an arithmetic number, because the mean of its divisors is an integer number (69163875).

Almost surely, 2^2181107752 is an apocalyptic number.

It is an amenable number.

2181107752 is an abundant number, since it is smaller than the sum of its proper divisors (2245380248).

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

2181107752 is a wasteful number, since it uses less digits than its factorization.

2181107752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 2181107752 is about 46702.3313336711. The cubic root of 2181107752 is about 1296.8578457204.

The spelling of 2181107752 in words is "two billion, one hundred eighty-one million, one hundred seven thousand, seven hundred fifty-two".