7138118853646 has 16 divisors (see below), whose sum is σ = 11680601546160. Its totient is φ = 3244587417280.

The previous prime is 7138118853631. The next prime is 7138118853647. The reversal of 7138118853646 is 6463588118317.

It is a super-3 number, since 3×7138118853646³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138118853647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8508720 + ... + 9309916.

It is an arithmetic number, because the mean of its divisors is an integer number (730037596635).

Almost surely, 2^{7138118853646} is an apocalyptic number.

7138118853646 is a deficient number, since it is larger than the sum of its proper divisors (4542482692514).

7138118853646 is a wasteful number, since it uses less digits than its factorization.

7138118853646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206179.

The product of its digits is 23224320, while the sum is 61.

The spelling of 7138118853646 in words is "seven trillion, one hundred thirty-eight billion, one hundred eighteen million, eight hundred fifty-three thousand, six hundred forty-six".