2161230027263 has 8 divisors (see below), whose sum is σ = 2170070332560. Its totient is φ = 2152393062400.

The previous prime is 2161230027259. The next prime is 2161230027289. The reversal of 2161230027263 is 3627200321612.

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 2161230027263 - 2² = 2161230027259 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 (2161230077263) 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, 465653 + ... + 2130561.

It is an arithmetic number, because the mean of its divisors is an integer number (271258791570).

Almost surely, 2^{2161230027263} is an apocalyptic number.

2161230027263 is a deficient number, since it is larger than the sum of its proper divisors (8840305297).

2161230027263 is a wasteful number, since it uses less digits than its factorization.

2161230027263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670217.

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 2161230027263 its reverse (3627200321612), we get a palindrome (5788430348875).

The spelling of 2161230027263 in words is "two trillion, one hundred sixty-one billion, two hundred thirty million, twenty-seven thousand, two hundred sixty-three".