7715413145168 has 20 divisors (see below), whose sum is σ = 14948779366068. Its totient is φ = 3857663631360.

The previous prime is 7715413145149. The next prime is 7715413145227. The reversal of 7715413145168 is 8615413145177.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1986724078144 + 5728689067024 = 1409512^2 + 2393468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175843 + ... + 4100418.

Almost surely, 2^{7715413145168} is an apocalyptic number.

It is an amenable number.

7715413145168 is a deficient number, since it is larger than the sum of its proper divisors (7233366220900).

7715413145168 is a wasteful number, since it uses less digits than its factorization.

7715413145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367662 (or 5367656 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

Subtracting 7715413145168 from its reverse (8615413145177), we obtain a palindrome (900000000009).

The spelling of 7715413145168 in words is "seven trillion, seven hundred fifteen billion, four hundred thirteen million, one hundred forty-five thousand, one hundred sixty-eight".