13161655 has 32 divisors (see below), whose sum is σ = 18494784. Its totient is φ = 8902656.

The previous prime is 13161601. The next prime is 13161703. The reversal of 13161655 is 55616131.

It is a cyclic number.

It is not a de Polignac number, because 13161655 - 2⁷ = 13161527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47377 + ... + 47653.

It is an arithmetic number, because the mean of its divisors is an integer number (577962).

Almost surely, 2^13161655 is an apocalyptic number.

13161655 is a deficient number, since it is larger than the sum of its proper divisors (5333129).

13161655 is a wasteful number, since it uses less digits than its factorization.

13161655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its digits is 2700, while the sum is 28.

The square root of 13161655 is about 3627.8995300311. The cubic root of 13161655 is about 236.1040848454.

Adding to 13161655 its reverse (55616131), we get a palindrome (68777786).

The spelling of 13161655 in words is "thirteen million, one hundred sixty-one thousand, six hundred fifty-five".