7138123640616 has 64 divisors (see below), whose sum is σ = 18477587419200. Its totient is φ = 2295221196800.

The previous prime is 7138123640597. The next prime is 7138123640621. The reversal of 7138123640616 is 6160463218317.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3940905 + ... + 5459576.

It is an arithmetic number, because the mean of its divisors is an integer number (288712303425).

Almost surely, 2^{7138123640616} is an apocalyptic number.

It is an amenable number.

7138123640616 is an abundant number, since it is smaller than the sum of its proper divisors (11339463778584).

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

7138123640616 is a wasteful number, since it uses less digits than its factorization.

7138123640616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401610 (or 9401606 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 7138123640616 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, six hundred forty thousand, six hundred sixteen".