2166106302 has 12 divisors (see below), whose sum is σ = 4693230360. Its totient is φ = 722035428.

The previous prime is 2166106291. The next prime is 2166106303. The reversal of 2166106302 is 2036016612.

2166106302 is a `hidden beast` number, since 2 + 16 + 6 + 10 + 630 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166106303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60169602 + ... + 60169637.

It is an arithmetic number, because the mean of its divisors is an integer number (391102530).

Almost surely, 2^2166106302 is an apocalyptic number.

2166106302 is an abundant number, since it is smaller than the sum of its proper divisors (2527124058).

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

2166106302 is a wasteful number, since it uses less digits than its factorization.

2166106302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120339247 (or 120339244 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2166106302 is about 46541.4471412310. The cubic root of 2166106302 is about 1293.8777817357.

The spelling of 2166106302 in words is "two billion, one hundred sixty-six million, one hundred six thousand, three hundred two".