13180216340 has 12 divisors (see below), whose sum is σ = 27678454356. Its totient is φ = 5272086528.

The previous prime is 13180216327. The next prime is 13180216373. The reversal of 13180216340 is 4361208131.

It can be written as a sum of positive squares in 2 ways, for example, as 7794417796 + 5385798544 = 88286^2 + 73388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329505389 + ... + 329505428.

It is an arithmetic number, because the mean of its divisors is an integer number (2306537863).

Almost surely, 2^13180216340 is an apocalyptic number.

13180216340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13180216340 is an abundant number, since it is smaller than the sum of its proper divisors (14498238016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13180216340 is a wasteful number, since it uses less digits than its factorization.

13180216340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659010826 (or 659010824 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 13180216340 in words is "thirteen billion, one hundred eighty million, two hundred sixteen thousand, three hundred forty".