216146107 has 2 divisors, whose sum is σ = 216146108. Its totient is φ = 216146106.

The previous prime is 216146101. The next prime is 216146123. The reversal of 216146107 is 701641612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216146107 - 2²³ = 207757499 is a prime.

It is not a weakly prime, because it can be changed into another prime (216146101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108073053 + 108073054.

It is an arithmetic number, because the mean of its divisors is an integer number (108073054).

Almost surely, 2^216146107 is an apocalyptic number.

216146107 is a deficient number, since it is larger than the sum of its proper divisors (1).

216146107 is an equidigital number, since it uses as much as digits as its factorization.

216146107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 216146107 is about 14701.9082774992. The cubic root of 216146107 is about 600.1352537677.

Adding to 216146107 its reverse (701641612), we get a palindrome (917787719).

The spelling of 216146107 in words is "two hundred sixteen million, one hundred forty-six thousand, one hundred seven".