216676043 has 4 divisors (see below), whose sum is σ = 216774888. Its totient is φ = 216577200.

The previous prime is 216676037. The next prime is 216676079. The reversal of 216676043 is 340676612.

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

It is a cyclic number.

It is not a de Polignac number, because 216676043 - 2⁴ = 216676027 is a prime.

It is a super-2 number, since 2×216676043² = 93897015220275698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216675994 and 216676012.

It is not an unprimeable number, because it can be changed into a prime (216676093) 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, 46058 + ... + 50543.

It is an arithmetic number, because the mean of its divisors is an integer number (54193722).

Almost surely, 2^216676043 is an apocalyptic number.

216676043 is a deficient number, since it is larger than the sum of its proper divisors (98845).

216676043 is an equidigital number, since it uses as much as digits as its factorization.

216676043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98844.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 216676043 is about 14719.9199386410. The cubic root of 216676043 is about 600.6253138187.

The spelling of 216676043 in words is "two hundred sixteen million, six hundred seventy-six thousand, forty-three".