6723445011678 has 64 divisors (see below), whose sum is σ = 15222939724800. Its totient is φ = 2199203809920.

The previous prime is 6723445011677. The next prime is 6723445011691. The reversal of 6723445011678 is 8761105443276.

6723445011678 is a `hidden beast` number, since 6 + 7 + 2 + 3 + 4 + 450 + 116 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723445011671) 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 31 ways as a sum of consecutive naturals, for example, 4139163 + ... + 5529878.

It is an arithmetic number, because the mean of its divisors is an integer number (237858433200).

Almost surely, 2^{6723445011678} is an apocalyptic number.

6723445011678 is an abundant number, since it is smaller than the sum of its proper divisors (8499494713122).

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

6723445011678 is a wasteful number, since it uses less digits than its factorization.

6723445011678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669294 (or 9669288 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 6723445011678 in words is "six trillion, seven hundred twenty-three billion, four hundred forty-five million, eleven thousand, six hundred seventy-eight".