7106661613845 has 12 divisors (see below), whose sum is σ = 12318213464076. Its totient is φ = 3790219527360.

The previous prime is 7106661613817. The next prime is 7106661613853. The reversal of 7106661613845 is 5483161666017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2706811367121 + 4399850246724 = 1645239^2 + 2097582^2 .

It is not a de Polignac number, because 7106661613845 - 2¹⁰ = 7106661612821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7106661613791 and 7106661613800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78962906776 + ... + 78962906865.

It is an arithmetic number, because the mean of its divisors is an integer number (1026517788673).

Almost surely, 2^{7106661613845} is an apocalyptic number.

It is an amenable number.

7106661613845 is a deficient number, since it is larger than the sum of its proper divisors (5211551850231).

7106661613845 is a wasteful number, since it uses less digits than its factorization.

7106661613845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157925813652 (or 157925813649 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 7106661613845 in words is "seven trillion, one hundred six billion, six hundred sixty-one million, six hundred thirteen thousand, eight hundred forty-five".