2143762161 has 8 divisors (see below), whose sum is σ = 2859247680. Its totient is φ = 1428725712.

The previous prime is 2143762151. The next prime is 2143762193. The reversal of 2143762161 is 1612673412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143762161 - 2¹⁴ = 2143745777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143762151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100965 + ... + 120338.

It is an arithmetic number, because the mean of its divisors is an integer number (357405960).

Almost surely, 2^2143762161 is an apocalyptic number.

It is an amenable number.

2143762161 is a deficient number, since it is larger than the sum of its proper divisors (715485519).

2143762161 is a wasteful number, since it uses less digits than its factorization.

2143762161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224535.

The product of its digits is 12096, while the sum is 33.

The square root of 2143762161 is about 46300.7792699000. The cubic root of 2143762161 is about 1289.4134626968.

The spelling of 2143762161 in words is "two billion, one hundred forty-three million, seven hundred sixty-two thousand, one hundred sixty-one".