13606613655 has 16 divisors (see below), whose sum is σ = 22358976864. Its totient is φ = 7060728960.

The previous prime is 13606613597. The next prime is 13606613717. The reversal of 13606613655 is 55631660631.

It is not a de Polignac number, because 13606613655 - 2¹⁸ = 13606351511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12257656 + ... + 12258765.

It is an arithmetic number, because the mean of its divisors is an integer number (1397436054).

Almost surely, 2^13606613655 is an apocalyptic number.

13606613655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13606613655 is a deficient number, since it is larger than the sum of its proper divisors (8752363209).

13606613655 is a wasteful number, since it uses less digits than its factorization.

13606613655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24516466.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 13606613655 in words is "thirteen billion, six hundred six million, six hundred thirteen thousand, six hundred fifty-five".