3666655055 has 72 divisors (see below), whose sum is σ = 5635954800. Its totient is φ = 2276854272.

The previous prime is 3666655043. The next prime is 3666655073. The reversal of 3666655055 is 5505566663.

It is not a de Polignac number, because 3666655055 - 2¹⁰ = 3666654031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2461751 + ... + 2463239.

It is an arithmetic number, because the mean of its divisors is an integer number (78277150).

Almost surely, 2^3666655055 is an apocalyptic number.

3666655055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3666655055 is a deficient number, since it is larger than the sum of its proper divisors (1969299745).

3666655055 is a wasteful number, since it uses less digits than its factorization.

3666655055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 47.

The square root of 3666655055 is about 60552.9112016920. The cubic root of 3666655055 is about 1542.0200419584.

The spelling of 3666655055 in words is "three billion, six hundred sixty-six million, six hundred fifty-five thousand, fifty-five".