216625138883 has 4 divisors (see below), whose sum is σ = 216626069760. Its totient is φ = 216624208008.

The previous prime is 216625138823. The next prime is 216625138889. The reversal of 216625138883 is 388831526612.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 216625138883 - 2⁶ = 216625138819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216625138889) 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, 228641 + ... + 696797.

It is an arithmetic number, because the mean of its divisors is an integer number (54156517440).

Almost surely, 2^216625138883 is an apocalyptic number.

216625138883 is a deficient number, since it is larger than the sum of its proper divisors (930877).

216625138883 is an equidigital number, since it uses as much as digits as its factorization.

216625138883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930876.

The product of its digits is 3317760, while the sum is 53.

The spelling of 216625138883 in words is "two hundred sixteen billion, six hundred twenty-five million, one hundred thirty-eight thousand, eight hundred eighty-three".