13165330155 has 32 divisors (see below), whose sum is σ = 21390806784. Its totient is φ = 6912867456.

The previous prime is 13165330153. The next prime is 13165330219. The reversal of 13165330155 is 55103356131.

It is not a de Polignac number, because 13165330155 - 2¹ = 13165330153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13165330153) 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, 3267252 + ... + 3271278.

It is an arithmetic number, because the mean of its divisors is an integer number (668462712).

Almost surely, 2^13165330155 is an apocalyptic number.

13165330155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13165330155 is a deficient number, since it is larger than the sum of its proper divisors (8225476629).

13165330155 is a wasteful number, since it uses less digits than its factorization.

13165330155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355.

The product of its (nonzero) digits is 20250, while the sum is 33.

Adding to 13165330155 its reverse (55103356131), we get a palindrome (68268686286).

The spelling of 13165330155 in words is "thirteen billion, one hundred sixty-five million, three hundred thirty thousand, one hundred fifty-five".