6537966044946 has 128 divisors (see below), whose sum is σ = 15956063354880. Its totient is φ = 1743335903232.

The previous prime is 6537966044941. The next prime is 6537966044977. The reversal of 6537966044946 is 6494406697356.

It is not an unprimeable number, because it can be changed into a prime (6537966044941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179433546 + ... + 179469978.

It is an arithmetic number, because the mean of its divisors is an integer number (124656744960).

Almost surely, 2^{6537966044946} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6537966044946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7978031677440).

6537966044946 is an abundant number, since it is smaller than the sum of its proper divisors (9418097309934).

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

6537966044946 is a wasteful number, since it uses less digits than its factorization.

6537966044946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38568.

The product of its (nonzero) digits is 705438720, while the sum is 69.

The spelling of 6537966044946 in words is "six trillion, five hundred thirty-seven billion, nine hundred sixty-six million, forty-four thousand, nine hundred forty-six".