2166255236010 has 16 divisors (see below), whose sum is σ = 5199012566496. Its totient is φ = 577668062928.

The previous prime is 2166255235981. The next prime is 2166255236029. The reversal of 2166255236010 is 106325526612.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2166255236010.

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, 36104253904 + ... + 36104253963.

It is an arithmetic number, because the mean of its divisors is an integer number (324938285406).

Almost surely, 2^{2166255236010} is an apocalyptic number.

2166255236010 is an abundant number, since it is smaller than the sum of its proper divisors (3032757330486).

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

2166255236010 is a wasteful number, since it uses less digits than its factorization.

2166255236010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72208507877.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 2166255236010 in words is "two trillion, one hundred sixty-six billion, two hundred fifty-five million, two hundred thirty-six thousand, ten".