2164515332263 has 8 divisors (see below), whose sum is σ = 2198348259840. Its totient is φ = 2130727308600.

The previous prime is 2164515332249. The next prime is 2164515332407. The reversal of 2164515332263 is 3622335154612.

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

It is a cyclic number.

It is not a de Polignac number, because 2164515332263 - 2⁹ = 2164515331751 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 (2164515335263) 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, 11128813 + ... + 11321638.

It is an arithmetic number, because the mean of its divisors is an integer number (274793532480).

Almost surely, 2^{2164515332263} is an apocalyptic number.

2164515332263 is a deficient number, since it is larger than the sum of its proper divisors (33832927577).

2164515332263 is a wasteful number, since it uses less digits than its factorization.

2164515332263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451957.

The product of its digits is 777600, while the sum is 43.

The spelling of 2164515332263 in words is "two trillion, one hundred sixty-four billion, five hundred fifteen million, three hundred thirty-two thousand, two hundred sixty-three".