13165646131010 has 16 divisors (see below), whose sum is σ = 23698456916472. Its totient is φ = 5266193145600.

The previous prime is 13165646130983. The next prime is 13165646131019. The reversal of 13165646131010 is 1013164656131.

It can be written as a sum of positive squares in 4 ways, for example, as 13102423554529 + 63222576481 = 3619727^2 + 251441^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13165646131019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7312421 + ... + 8933240.

Almost surely, 2^{13165646131010} is an apocalyptic number.

13165646131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165646131010 is a deficient number, since it is larger than the sum of its proper divisors (10532810785462).

13165646131010 is a wasteful number, since it uses less digits than its factorization.

13165646131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326709.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 13165646131010 in words is "thirteen trillion, one hundred sixty-five billion, six hundred forty-six million, one hundred thirty-one thousand, ten".