2166111070160 has 40 divisors (see below), whose sum is σ = 5036436147456. Its totient is φ = 866405217920.

The previous prime is 2166111070153. The next prime is 2166111070187. The reversal of 2166111070160 is 610701116612.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199477 + ... + 2402283.

Almost surely, 2^{2166111070160} is an apocalyptic number.

2166111070160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166111070160 is an abundant number, since it is smaller than the sum of its proper divisors (2870325077296).

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

2166111070160 is a wasteful number, since it uses less digits than its factorization.

2166111070160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225331 (or 1225325 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

Adding to 2166111070160 its reverse (610701116612), we get a palindrome (2776812186772).

The spelling of 2166111070160 in words is "two trillion, one hundred sixty-six billion, one hundred eleven million, seventy thousand, one hundred sixty".