2166245260350 has 24 divisors (see below), whose sum is σ = 5372288246040. Its totient is φ = 577665402720.

The previous prime is 2166245260313. The next prime is 2166245260357. The reversal of 2166245260350 is 530625426612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166245260357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7220817385 + ... + 7220817684.

It is an arithmetic number, because the mean of its divisors is an integer number (223845343585).

Almost surely, 2^{2166245260350} is an apocalyptic number.

2166245260350 is an abundant number, since it is smaller than the sum of its proper divisors (3206042985690).

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

2166245260350 is a wasteful number, since it uses less digits than its factorization.

2166245260350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14441635084 (or 14441635079 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 2166245260350 in words is "two trillion, one hundred sixty-six billion, two hundred forty-five million, two hundred sixty thousand, three hundred fifty".