566661051 has 48 divisors (see below), whose sum is σ = 986618880. Its totient is φ = 309154560.

The previous prime is 566661049. The next prime is 566661083. The reversal of 566661051 is 150166665.

It is not a de Polignac number, because 566661051 - 2¹ = 566661049 is a prime.

It is a super-2 number, since 2×566661051² = 642209493440849202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566660997 and 566661015.

It is not an unprimeable number, because it can be changed into a prime (566661091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31390 + ... + 46028.

It is an arithmetic number, because the mean of its divisors is an integer number (20554560).

Almost surely, 2^566661051 is an apocalyptic number.

566661051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

566661051 is a deficient number, since it is larger than the sum of its proper divisors (419957829).

566661051 is a wasteful number, since it uses less digits than its factorization.

566661051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696 (or 14693 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 566661051 is about 23804.6434755911. The cubic root of 566661051 is about 827.5122933038.

It can be divided in two parts, 5666610 and 51, that added together give a triangular number (5666661 = T₃₃₆₆).

The spelling of 566661051 in words is "five hundred sixty-six million, six hundred sixty-one thousand, fifty-one".