3660558876 has 72 divisors (see below), whose sum is σ = 9985938144. Its totient is φ = 1123943040.

The previous prime is 3660558823. The next prime is 3660558893. The reversal of 3660558876 is 6788550663.

3660558876 is a `hidden beast` number, since 3 + 6 + 6 + 0 + 558 + 87 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 219886 + ... + 235946.

Almost surely, 2^3660558876 is an apocalyptic number.

3660558876 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3660558876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992969072).

3660558876 is an abundant number, since it is smaller than the sum of its proper divisors (6325379268).

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

3660558876 is a wasteful number, since it uses less digits than its factorization.

3660558876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16571 (or 16566 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 3660558876 is about 60502.5526403639. The cubic root of 3660558876 is about 1541.1649806386.

It can be divided in two parts, 36605 and 58876, that added together give a square (95481 = 309²).

The spelling of 3660558876 in words is "three billion, six hundred sixty million, five hundred fifty-eight thousand, eight hundred seventy-six".