2166046760 has 16 divisors (see below), whose sum is σ = 4873605300. Its totient is φ = 866418688.

The previous prime is 2166046741. The next prime is 2166046793. The reversal of 2166046760 is 676406612.

It can be written as a sum of positive squares in 2 ways, for example, as 2160948196 + 5098564 = 46486^2 + 2258^2 .

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, 27075545 + ... + 27075624.

Almost surely, 2^2166046760 is an apocalyptic number.

2166046760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166046760 is an abundant number, since it is smaller than the sum of its proper divisors (2707558540).

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

2166046760 is a wasteful number, since it uses less digits than its factorization.

2166046760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54151180 (or 54151176 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2166046760 is about 46540.8074704339. The cubic root of 2166046760 is about 1293.8659262423.

The spelling of 2166046760 in words is "two billion, one hundred sixty-six million, forty-six thousand, seven hundred sixty".