216325575307 has 2 divisors, whose sum is σ = 216325575308. Its totient is φ = 216325575306.

The previous prime is 216325575287. The next prime is 216325575341. The reversal of 216325575307 is 703575523612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216325575307 - 2²⁷ = 216191357579 is a prime.

It is not a weakly prime, because it can be changed into another prime (216325575397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108162787653 + 108162787654.

It is an arithmetic number, because the mean of its divisors is an integer number (108162787654).

Almost surely, 2^216325575307 is an apocalyptic number.

216325575307 is a deficient number, since it is larger than the sum of its proper divisors (1).

216325575307 is an equidigital number, since it uses as much as digits as its factorization.

216325575307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 46.

It can be divided in two parts, 216 and 325575307, that added together give a palindrome (325575523).

The spelling of 216325575307 in words is "two hundred sixteen billion, three hundred twenty-five million, five hundred seventy-five thousand, three hundred seven".