3653666055 has 32 divisors (see below), whose sum is σ = 6995056320. Its totient is φ = 1798727040.

The previous prime is 3653666021. The next prime is 3653666057. The reversal of 3653666055 is 5506663563.

It is not a de Polignac number, because 3653666055 - 2⁶ = 3653665991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3653666055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653666057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1039176 + ... + 1042685.

It is an arithmetic number, because the mean of its divisors is an integer number (218595510).

Almost surely, 2^3653666055 is an apocalyptic number.

3653666055 is a deficient number, since it is larger than the sum of its proper divisors (3341390265).

3653666055 is a wasteful number, since it uses less digits than its factorization.

3653666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081888 (or 2081882 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The square root of 3653666055 is about 60445.5627403700. The cubic root of 3653666055 is about 1540.1970365475.

The spelling of 3653666055 in words is "three billion, six hundred fifty-three million, six hundred sixty-six thousand, fifty-five".