13620170525168 has 40 divisors (see below), whose sum is σ = 28735840736400. Its totient is φ = 6229188693504.

The previous prime is 13620170525167. The next prime is 13620170525191. The reversal of 13620170525168 is 86152507102631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620170525167) 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, 772460021 + ... + 772477652.

It is an arithmetic number, because the mean of its divisors is an integer number (718396018410).

Almost surely, 2^{13620170525168} is an apocalyptic number.

It is an amenable number.

13620170525168 is an abundant number, since it is smaller than the sum of its proper divisors (15115670211232).

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

13620170525168 is a wasteful number, since it uses less digits than its factorization.

13620170525168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544937729 (or 1544937723 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

Adding to 13620170525168 its reverse (86152507102631), we get a palindrome (99772677627799).

The spelling of 13620170525168 in words is "thirteen trillion, six hundred twenty billion, one hundred seventy million, five hundred twenty-five thousand, one hundred sixty-eight".