5666678890 has 32 divisors (see below), whose sum is σ = 10544909760. Its totient is φ = 2191117824.

The previous prime is 5666678869. The next prime is 5666678891. The reversal of 5666678890 is 988766665.

It is a super-2 number, since 2×5666678890² = 64222499284743264200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5666678891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26220 + ... + 109639.

It is an arithmetic number, because the mean of its divisors is an integer number (329528430).

Almost surely, 2^5666678890 is an apocalyptic number.

5666678890 is a deficient number, since it is larger than the sum of its proper divisors (4878230870).

5666678890 is a wasteful number, since it uses less digits than its factorization.

5666678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136006.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The square root of 5666678890 is about 75277.3464596089. The cubic root of 5666678890 is about 1782.8283622998.

The spelling of 5666678890 in words is "five billion, six hundred sixty-six million, six hundred seventy-eight thousand, eight hundred ninety".