216025016 has 16 divisors (see below), whose sum is σ = 422658000. Its totient is φ = 103316224.

The previous prime is 216025009. The next prime is 216025049. The reversal of 216025016 is 610520612.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 216024982 and 216025000.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 586841 + ... + 587208.

It is an arithmetic number, because the mean of its divisors is an integer number (26416125).

Almost surely, 2^216025016 is an apocalyptic number.

It is an amenable number.

216025016 is a deficient number, since it is larger than the sum of its proper divisors (206632984).

216025016 is a wasteful number, since it uses less digits than its factorization.

216025016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174078 (or 1174074 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 216025016 is about 14697.7894936620. The cubic root of 216025016 is about 600.0231620688.

Adding to 216025016 its reverse (610520612), we get a palindrome (826545628).

The spelling of 216025016 in words is "two hundred sixteen million, twenty-five thousand, sixteen".