216062656065 has 32 divisors (see below), whose sum is σ = 394492786560. Its totient is φ = 112118997312.

The previous prime is 216062656037. The next prime is 216062656081. The reversal of 216062656065 is 560656260612.

It is a happy number.

216062656065 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 6 + 26 + 560 + 65 = 666.

216062656065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-216062656065 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 216062656065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21622899 + ... + 21632888.

It is an arithmetic number, because the mean of its divisors is an integer number (12327899580).

Almost surely, 2^216062656065 is an apocalyptic number.

It is an amenable number.

216062656065 is a deficient number, since it is larger than the sum of its proper divisors (178430130495).

216062656065 is a wasteful number, since it uses less digits than its factorization.

216062656065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43255838 (or 43255832 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 216062656065 in words is "two hundred sixteen billion, sixty-two million, six hundred fifty-six thousand, sixty-five".