2180766692 has 12 divisors (see below), whose sum is σ = 4109906556. Its totient is φ = 1006507680.

The previous prime is 2180766659. The next prime is 2180766701. The reversal of 2180766692 is 2966670812.

It can be written as a sum of positive squares in 2 ways, for example, as 937216996 + 1243549696 = 30614^2 + 35264^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20968859 + ... + 20968962.

It is an arithmetic number, because the mean of its divisors is an integer number (342492213).

Almost surely, 2^2180766692 is an apocalyptic number.

It is an amenable number.

2180766692 is a deficient number, since it is larger than the sum of its proper divisors (1929139864).

2180766692 is a wasteful number, since it uses less digits than its factorization.

2180766692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41937838 (or 41937836 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2180766692 is about 46698.6797672054. The cubic root of 2180766692 is about 1296.7902456071.

The spelling of 2180766692 in words is "two billion, one hundred eighty million, seven hundred sixty-six thousand, six hundred ninety-two".