3668636155 has 8 divisors (see below), whose sum is σ = 4554169200. Its totient is φ = 2833705056.

The previous prime is 3668636149. The next prime is 3668636177. The reversal of 3668636155 is 5516368663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3668636155 - 2⁵ = 3668636123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3668636099 and 3668636108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12650325 + ... + 12650614.

It is an arithmetic number, because the mean of its divisors is an integer number (569271150).

Almost surely, 2^3668636155 is an apocalyptic number.

3668636155 is a deficient number, since it is larger than the sum of its proper divisors (885533045).

3668636155 is a wasteful number, since it uses less digits than its factorization.

3668636155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300973.

The product of its digits is 2332800, while the sum is 49.

The square root of 3668636155 is about 60569.2674134334. The cubic root of 3668636155 is about 1542.2977106452.

The spelling of 3668636155 in words is "three billion, six hundred sixty-eight million, six hundred thirty-six thousand, one hundred fifty-five".