2166450986335 has 16 divisors (see below), whose sum is σ = 2713368841920. Its totient is φ = 1657442096640.

The previous prime is 2166450986317. The next prime is 2166450986351. The reversal of 2166450986335 is 5336890546612.

It is not a de Polignac number, because 2166450986335 - 2⁵ = 2166450986303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2166450986335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540680 + ... + 2589709.

It is an arithmetic number, because the mean of its divisors is an integer number (169585552620).

Almost surely, 2^{2166450986335} is an apocalyptic number.

2166450986335 is a deficient number, since it is larger than the sum of its proper divisors (546917855585).

2166450986335 is a wasteful number, since it uses less digits than its factorization.

2166450986335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134978.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 2166450986335 in words is "two trillion, one hundred sixty-six billion, four hundred fifty million, nine hundred eighty-six thousand, three hundred thirty-five".