13161445336502 has 8 divisors (see below), whose sum is σ = 20422932418800. Its totient is φ = 6353801196904.

The previous prime is 13161445336469. The next prime is 13161445336511. The reversal of 13161445336502 is 20563354416131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113460735602 + ... + 113460735717.

It is an arithmetic number, because the mean of its divisors is an integer number (2552866552350).

Almost surely, 2^{13161445336502} is an apocalyptic number.

13161445336502 is a deficient number, since it is larger than the sum of its proper divisors (7261487082298).

13161445336502 is a wasteful number, since it uses less digits than its factorization.

13161445336502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226921471350.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 13161445336502 in words is "thirteen trillion, one hundred sixty-one billion, four hundred forty-five million, three hundred thirty-six thousand, five hundred two".