2166153143 has 12 divisors (see below), whose sum is σ = 2748885192. Its totient is φ = 1687911120.

The previous prime is 2166153137. The next prime is 2166153167. The reversal of 2166153143 is 3413516612.

It is not a de Polignac number, because 2166153143 - 2¹⁰ = 2166152119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166153103) 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, 2008880 + ... + 2009957.

It is an arithmetic number, because the mean of its divisors is an integer number (229073766).

Almost surely, 2^2166153143 is an apocalyptic number.

2166153143 is a deficient number, since it is larger than the sum of its proper divisors (582732049).

2166153143 is a wasteful number, since it uses less digits than its factorization.

2166153143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018862 (or 4018855 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 2166153143 is about 46541.9503566406. The cubic root of 2166153143 is about 1293.8871081620.

Adding to 2166153143 its reverse (3413516612), we get a palindrome (5579669755).

The spelling of 2166153143 in words is "two billion, one hundred sixty-six million, one hundred fifty-three thousand, one hundred forty-three".