2180660812 has 12 divisors (see below), whose sum is σ = 4163079816. Its totient is φ = 991209440.

The previous prime is 2180660767. The next prime is 2180660821.

2180660812 is nontrivially palindromic in base 10.

2180660812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24780193 + ... + 24780280.

It is an arithmetic number, because the mean of its divisors is an integer number (346923318).

Almost surely, 2^2180660812 is an apocalyptic number.

2180660812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2180660812 is a deficient number, since it is larger than the sum of its proper divisors (1982419004).

2180660812 is a wasteful number, since it uses less digits than its factorization.

2180660812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49560488 (or 49560486 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2180660812 is about 46697.5461025523. The cubic root of 2180660812 is about 1296.7692581299.

The spelling of 2180660812 in words is "two billion, one hundred eighty million, six hundred sixty thousand, eight hundred twelve".