6745937637178 has 8 divisors (see below), whose sum is σ = 10118920606740. Its totient is φ = 3372964101600.

The previous prime is 6745937637149. The next prime is 6745937637233. The reversal of 6745937637178 is 8717367395476.

It can be written as a sum of positive squares in 2 ways, for example, as 6717722708449 + 28214928729 = 2591857^2 + 167973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6745937637178.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 161523 + ... + 3676678.

Almost surely, 2^{6745937637178} is an apocalyptic number.

6745937637178 is a deficient number, since it is larger than the sum of its proper divisors (3372982969562).

6745937637178 is a wasteful number, since it uses less digits than its factorization.

6745937637178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716992.

The product of its digits is 1120210560, while the sum is 73.

The spelling of 6745937637178 in words is "six trillion, seven hundred forty-five billion, nine hundred thirty-seven million, six hundred thirty-seven thousand, one hundred seventy-eight".