565651016 has 32 divisors (see below), whose sum is σ = 1237904640. Its totient is φ = 237262848.

The previous prime is 565650991. The next prime is 565651019. The reversal of 565651016 is 610156565.

It is a super-2 number, since 2×565651016² = 639922143803664512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (565651019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 104825 + ... + 110088.

It is an arithmetic number, because the mean of its divisors is an integer number (38684520).

Almost surely, 2^565651016 is an apocalyptic number.

565651016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

565651016 is an abundant number, since it is smaller than the sum of its proper divisors (672253624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565651016 is a wasteful number, since it uses less digits than its factorization.

565651016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214973 (or 214969 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 565651016 is about 23783.4189300025. The cubic root of 565651016 is about 827.0203393304.

The spelling of 565651016 in words is "five hundred sixty-five million, six hundred fifty-one thousand, sixteen".