216962045 has 16 divisors (see below), whose sum is σ = 277536000. Its totient is φ = 162347328.

The previous prime is 216962033. The next prime is 216962051. The reversal of 216962045 is 540269612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 216962045 - 2²⁰ = 215913469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216961996 and 216962014.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6950 + ... + 21959.

It is an arithmetic number, because the mean of its divisors is an integer number (17346000).

Almost surely, 2^216962045 is an apocalyptic number.

It is an amenable number.

216962045 is a deficient number, since it is larger than the sum of its proper divisors (60573955).

216962045 is a wasteful number, since it uses less digits than its factorization.

216962045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29012.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 216962045 is about 14729.6315296751. The cubic root of 216962045 is about 600.8894631813.

The spelling of 216962045 in words is "two hundred sixteen million, nine hundred sixty-two thousand, forty-five".