216146867 has 2 divisors, whose sum is σ = 216146868. Its totient is φ = 216146866.

The previous prime is 216146863. The next prime is 216146881. The reversal of 216146867 is 768641612.

216146867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216146867 - 2² = 216146863 is a prime.

It is a super-2 number, since 2×216146867² = 93438936227831378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216146863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108073433 + 108073434.

It is an arithmetic number, because the mean of its divisors is an integer number (108073434).

Almost surely, 2^216146867 is an apocalyptic number.

216146867 is a deficient number, since it is larger than the sum of its proper divisors (1).

216146867 is an equidigital number, since it uses as much as digits as its factorization.

216146867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 216146867 is about 14701.9341244613. The cubic root of 216146867 is about 600.1359571534.

The spelling of 216146867 in words is "two hundred sixteen million, one hundred forty-six thousand, eight hundred sixty-seven".