3661664255524 has 48 divisors (see below), whose sum is σ = 7068445655040. Its totient is φ = 1645907830560.

The previous prime is 3661664255519. The next prime is 3661664255533. The reversal of 3661664255524 is 4255524661663.

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 15 ways as a sum of consecutive naturals, for example, 648297 + ... + 2782735.

It is an arithmetic number, because the mean of its divisors is an integer number (147259284480).

Almost surely, 2^{3661664255524} is an apocalyptic number.

It is an amenable number.

3661664255524 is a deficient number, since it is larger than the sum of its proper divisors (3406781399516).

3661664255524 is a wasteful number, since it uses less digits than its factorization.

3661664255524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134888 (or 2134886 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 55.

The spelling of 3661664255524 in words is "three trillion, six hundred sixty-one billion, six hundred sixty-four million, two hundred fifty-five thousand, five hundred twenty-four".