216245078 has 8 divisors (see below), whose sum is σ = 370705872. Its totient is φ = 92676456.

The previous prime is 216245077. The next prime is 216245093. The reversal of 216245078 is 870542612.

216245078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216245077) 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, 7723025 + ... + 7723052.

It is an arithmetic number, because the mean of its divisors is an integer number (46338234).

Almost surely, 2^216245078 is an apocalyptic number.

216245078 is a deficient number, since it is larger than the sum of its proper divisors (154460794).

216245078 is a wasteful number, since it uses less digits than its factorization.

216245078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446086.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 216245078 is about 14705.2738158798. The cubic root of 216245078 is about 600.2268383039.

The spelling of 216245078 in words is "two hundred sixteen million, two hundred forty-five thousand, seventy-eight".