7686613162281 has 4 divisors (see below), whose sum is σ = 10248817549712. Its totient is φ = 5124408774852.

The previous prime is 7686613162273. The next prime is 7686613162297. The reversal of 7686613162281 is 1822613166867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7686613162281 - 2³ = 7686613162273 is a prime.

It is a super-2 number, since 2×7686613162281² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7686613162231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281102193711 + ... + 1281102193716.

It is an arithmetic number, because the mean of its divisors is an integer number (2562204387428).

Almost surely, 2^{7686613162281} is an apocalyptic number.

It is an amenable number.

7686613162281 is a deficient number, since it is larger than the sum of its proper divisors (2562204387431).

7686613162281 is a wasteful number, since it uses less digits than its factorization.

7686613162281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562204387430.

The product of its digits is 6967296, while the sum is 57.

The spelling of 7686613162281 in words is "seven trillion, six hundred eighty-six billion, six hundred thirteen million, one hundred sixty-two thousand, two hundred eighty-one".