2166070072719 has 32 divisors (see below), whose sum is σ = 3339093712896. Its totient is φ = 1223431073280.

The previous prime is 2166070072679. The next prime is 2166070072739. The reversal of 2166070072719 is 9172700706612.

It is a happy number.

It is not a de Polignac number, because 2166070072719 - 2¹⁹ = 2166069548431 is a prime.

It is a super-2 number, since 2×2166070072719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166070072739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090122 + ... + 2349575.

It is an arithmetic number, because the mean of its divisors is an integer number (104346678528).

Almost surely, 2^{2166070072719} is an apocalyptic number.

2166070072719 is a deficient number, since it is larger than the sum of its proper divisors (1173023640177).

2166070072719 is a wasteful number, since it uses less digits than its factorization.

2166070072719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440055.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 2166070072719 in words is "two trillion, one hundred sixty-six billion, seventy million, seventy-two thousand, seven hundred nineteen".