216065452 has 12 divisors (see below), whose sum is σ = 378347760. Its totient is φ = 107966096.

The previous prime is 216065431. The next prime is 216065483. The reversal of 216065452 is 254560612.

216065452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8968 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (31528980).

Almost surely, 2^216065452 is an apocalyptic number.

It is an amenable number.

216065452 is a deficient number, since it is larger than the sum of its proper divisors (162282308).

216065452 is a wasteful number, since it uses less digits than its factorization.

216065452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33320 (or 33318 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 216065452 is about 14699.1650102991. The cubic root of 216065452 is about 600.0605975834.

The spelling of 216065452 in words is "two hundred sixteen million, sixty-five thousand, four hundred fifty-two".