2161862865230 has 8 divisors (see below), whose sum is σ = 3891353157432. Its totient is φ = 864745146088.

The previous prime is 2161862865203. The next prime is 2161862865257. The reversal of 2161862865230 is 325682681612.

It is an interprime number because it is at equal distance from previous prime (2161862865203) and next prime (2161862865257).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108093143252 + ... + 108093143271.

It is an arithmetic number, because the mean of its divisors is an integer number (486419144679).

Almost surely, 2^{2161862865230} is an apocalyptic number.

2161862865230 is a deficient number, since it is larger than the sum of its proper divisors (1729490292202).

2161862865230 is a wasteful number, since it uses less digits than its factorization.

2161862865230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216186286530.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 2161862865230 in words is "two trillion, one hundred sixty-one billion, eight hundred sixty-two million, eight hundred sixty-five thousand, two hundred thirty".