3668551886 has 4 divisors (see below), whose sum is σ = 5502827832. Its totient is φ = 1834275942.

The previous prime is 3668551879. The next prime is 3668551889. The reversal of 3668551886 is 6881558663.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668551889) 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 as a sum of consecutive naturals, namely, 917137970 + ... + 917137973.

It is an arithmetic number, because the mean of its divisors is an integer number (1375706958).

Almost surely, 2^3668551886 is an apocalyptic number.

3668551886 is a deficient number, since it is larger than the sum of its proper divisors (1834275946).

3668551886 is a wasteful number, since it uses less digits than its factorization.

3668551886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834275945.

The product of its digits is 8294400, while the sum is 56.

The square root of 3668551886 is about 60568.5717678731. The cubic root of 3668551886 is about 1542.2859016354.

The spelling of 3668551886 in words is "three billion, six hundred sixty-eight million, five hundred fifty-one thousand, eight hundred eighty-six".