2143342816 has 24 divisors (see below), whose sum is σ = 4261491864. Its totient is φ = 1061059200.

The previous prime is 2143342811. The next prime is 2143342871. The reversal of 2143342816 is 6182433412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143342811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328350 + ... + 334813.

It is an arithmetic number, because the mean of its divisors is an integer number (177562161).

Almost surely, 2^2143342816 is an apocalyptic number.

It is an amenable number.

2143342816 is a deficient number, since it is larger than the sum of its proper divisors (2118149048).

2143342816 is a wasteful number, since it uses less digits than its factorization.

2143342816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663274 (or 663266 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 2143342816 is about 46296.2505609256. The cubic root of 2143342816 is about 1289.3293824198.

The spelling of 2143342816 in words is "two billion, one hundred forty-three million, three hundred forty-two thousand, eight hundred sixteen".