2158895863230 has 32 divisors (see below), whose sum is σ = 5181468054048. Its totient is φ = 575692454400.

The previous prime is 2158895863207. The next prime is 2158895863237. The reversal of 2158895863230 is 323685988512.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158895863237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558090 + ... + 2151570.

It is an arithmetic number, because the mean of its divisors is an integer number (161920876689).

Almost surely, 2^{2158895863230} is an apocalyptic number.

2158895863230 is an abundant number, since it is smaller than the sum of its proper divisors (3022572190818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158895863230 is a wasteful number, since it uses less digits than its factorization.

2158895863230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638652.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 2158895863230 in words is "two trillion, one hundred fifty-eight billion, eight hundred ninety-five million, eight hundred sixty-three thousand, two hundred thirty".