2182016660 has 12 divisors (see below), whose sum is σ = 4582235028. Its totient is φ = 872806656.

The previous prime is 2182016611. The next prime is 2182016687. The reversal of 2182016660 is 666102812.

It can be written as a sum of positive squares in 2 ways, for example, as 1433228164 + 748788496 = 37858^2 + 27364^2 .

It is a super-2 number, since 2×2182016660² = 9522393409035111200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 54550397 + ... + 54550436.

It is an arithmetic number, because the mean of its divisors is an integer number (381852919).

Almost surely, 2^2182016660 is an apocalyptic number.

2182016660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2182016660 is an abundant number, since it is smaller than the sum of its proper divisors (2400218368).

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

2182016660 is a wasteful number, since it uses less digits than its factorization.

2182016660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109100842 (or 109100840 counting only the distinct ones).

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

The square root of 2182016660 is about 46712.0611833817. The cubic root of 2182016660 is about 1297.0379622652.

The spelling of 2182016660 in words is "two billion, one hundred eighty-two million, sixteen thousand, six hundred sixty".