6866737441536 has 144 divisors (see below), whose sum is σ = 20887508323584. Its totient is φ = 1961813962752.

The previous prime is 6866737441519. The next prime is 6866737441537. The reversal of 6866737441536 is 6351447376686.

It is not an unprimeable number, because it can be changed into a prime (6866737441537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165414895 + ... + 165456401.

It is an arithmetic number, because the mean of its divisors is an integer number (145052141136).

Almost surely, 2^{6866737441536} is an apocalyptic number.

It is an amenable number.

6866737441536 is an abundant number, since it is smaller than the sum of its proper divisors (14020770882048).

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

6866737441536 is a wasteful number, since it uses less digits than its factorization.

6866737441536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72306 (or 72292 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 66.

The spelling of 6866737441536 in words is "six trillion, eight hundred sixty-six billion, seven hundred thirty-seven million, four hundred forty-one thousand, five hundred thirty-six".