216414026 has 4 divisors (see below), whose sum is σ = 324621042. Its totient is φ = 108207012.

The previous prime is 216414019. The next prime is 216414041. The reversal of 216414026 is 620414612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160149025 + 56265001 = 12655^2 + 7501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216413986 and 216414004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54103505 + ... + 54103508.

Almost surely, 2^216414026 is an apocalyptic number.

216414026 is a deficient number, since it is larger than the sum of its proper divisors (108207016).

216414026 is a wasteful number, since it uses less digits than its factorization.

216414026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108207015.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 216414026 is about 14711.0171640169. The cubic root of 216414026 is about 600.3831127297.

Adding to 216414026 its reverse (620414612), we get a palindrome (836828638).

The spelling of 216414026 in words is "two hundred sixteen million, four hundred fourteen thousand, twenty-six".