562116645 has 64 divisors (see below), whose sum is σ = 1092372480. Its totient is φ = 273024000.

The previous prime is 562116641. The next prime is 562116697. The reversal of 562116645 is 546611265.

562116645 is a `hidden beast` number, since 5 + 6 + 2 + 1 + 1 + 6 + 645 = 666.

It is not a de Polignac number, because 562116645 - 2² = 562116641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562116641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67195 + ... + 75095.

It is an arithmetic number, because the mean of its divisors is an integer number (17068320).

Almost surely, 2^562116645 is an apocalyptic number.

It is an amenable number.

562116645 is a deficient number, since it is larger than the sum of its proper divisors (530255835).

562116645 is a wasteful number, since it uses less digits than its factorization.

562116645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7957 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 562116645 is about 23708.9992407946. Note that the first 3 decimals coincide. The cubic root of 562116645 is about 825.2942421514.

Adding to 562116645 its sum of digits (36), we get a square (562116681 = 23709²).

The spelling of 562116645 in words is "five hundred sixty-two million, one hundred sixteen thousand, six hundred forty-five".