216050745 has 16 divisors (see below), whose sum is σ = 348004800. Its totient is φ = 114452544.

The previous prime is 216050741. The next prime is 216050789. The reversal of 216050745 is 547050612.

It is not a de Polignac number, because 216050745 - 2² = 216050741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216050741) 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 in 15 ways as a sum of consecutive naturals, for example, 46099 + ... + 50568.

It is an arithmetic number, because the mean of its divisors is an integer number (21750300).

Almost surely, 2^216050745 is an apocalyptic number.

It is an amenable number.

216050745 is a deficient number, since it is larger than the sum of its proper divisors (131954055).

216050745 is a wasteful number, since it uses less digits than its factorization.

216050745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96824.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 216050745 is about 14698.6647352744. The cubic root of 216050745 is about 600.0469824321.

The spelling of 216050745 in words is "two hundred sixteen million, fifty thousand, seven hundred forty-five".