6723660158208 has 1152 divisors, whose sum is σ = 25046345318400. Its totient is φ = 1735901798400.

The previous prime is 6723660158203. The next prime is 6723660158209. The reversal of 6723660158208 is 8028510663276.

6723660158208 is a `hidden beast` number, since 6 + 7 + 2 + 3 + 6 + 601 + 5 + 8 + 20 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

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 (6723660158203) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2023368835 + ... + 2023372157.

It is an arithmetic number, because the mean of its divisors is an integer number (21741619200).

Almost surely, 2^{6723660158208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6723660158208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12523172659200).

6723660158208 is an abundant number, since it is smaller than the sum of its proper divisors (18322685160192).

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

6723660158208 is a wasteful number, since it uses less digits than its factorization.

6723660158208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 6723660158208 in words is "six trillion, seven hundred twenty-three billion, six hundred sixty million, one hundred fifty-eight thousand, two hundred eight".