2166252606326 has 8 divisors (see below), whose sum is σ = 3249416109504. Its totient is φ = 1083113903160.

The previous prime is 2166252606289. The next prime is 2166252606347. The reversal of 2166252606326 is 6236062526612.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5980070 + ... + 6331961.

It is an arithmetic number, because the mean of its divisors is an integer number (406177013688).

Almost surely, 2^{2166252606326} is an apocalyptic number.

2166252606326 is a deficient number, since it is larger than the sum of its proper divisors (1083163503178).

2166252606326 is a wasteful number, since it uses less digits than its factorization.

2166252606326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400006.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 2166252606326 in words is "two trillion, one hundred sixty-six billion, two hundred fifty-two million, six hundred six thousand, three hundred twenty-six".