2166330 has 16 divisors (see below), whose sum is σ = 5199264. Its totient is φ = 577680.

The previous prime is 2166319. The next prime is 2166403. The reversal of 2166330 is 336612.

It is a junction number, because it is equal to n+sod(n) for n = 2166297 and 2166306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36076 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (324954).

2^2166330 is an apocalyptic number.

2166330 is an abundant number, since it is smaller than the sum of its proper divisors (3032934).

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

2166330 is a wasteful number, since it uses less digits than its factorization.

2166330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72221.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2166330 is about 1471.8457799647. The cubic root of 2166330 is about 129.3922320625.

The spelling of 2166330 in words is "two million, one hundred sixty-six thousand, three hundred thirty".