5666610078 has 24 divisors (see below), whose sum is σ = 12345494616. Its totient is φ = 1878433200.

The previous prime is 5666610071. The next prime is 5666610097. The reversal of 5666610078 is 8700166665.

It is a super-2 number, since 2×5666610078² = 64220939552182332168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666610071) 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 11 ways as a sum of consecutive naturals, for example, 866388 + ... + 872903.

It is an arithmetic number, because the mean of its divisors is an integer number (514395609).

Almost surely, 2^5666610078 is an apocalyptic number.

5666610078 is an abundant number, since it is smaller than the sum of its proper divisors (6678884538).

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

5666610078 is a wasteful number, since it uses less digits than its factorization.

5666610078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739480 (or 1739477 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5666610078 is about 75276.8894017281. The cubic root of 5666610078 is about 1782.8211458165.

The spelling of 5666610078 in words is "five billion, six hundred sixty-six million, six hundred ten thousand, seventy-eight".