6656201526612 has 144 divisors (see below), whose sum is σ = 17354671673472. Its totient is φ = 1983828000000.

The previous prime is 6656201526581. The next prime is 6656201526691. The reversal of 6656201526612 is 2166251026566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21994162 + ... + 22294742.

It is an arithmetic number, because the mean of its divisors is an integer number (120518553288).

Almost surely, 2^{6656201526612} 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 6656201526612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8677335836736).

6656201526612 is an abundant number, since it is smaller than the sum of its proper divisors (10698470146860).

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

6656201526612 is a wasteful number, since it uses less digits than its factorization.

6656201526612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300862 (or 300849 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 6656201526612 in words is "six trillion, six hundred fifty-six billion, two hundred one million, five hundred twenty-six thousand, six hundred twelve".