6662090591520 has 384 divisors, whose sum is σ = 26355531686400. Its totient is φ = 1405627453440.

The previous prime is 6662090591477. The next prime is 6662090591549. The reversal of 6662090591520 is 251950902666.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 583990 + ... + 3696650.

It is an arithmetic number, because the mean of its divisors is an integer number (68634197100).

Almost surely, 2^{6662090591520} is an apocalyptic number.

6662090591520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6662090591520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13177765843200).

6662090591520 is an abundant number, since it is smaller than the sum of its proper divisors (19693441094880).

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

6662090591520 is a wasteful number, since it uses less digits than its factorization.

6662090591520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112713 (or 3112691 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 6662090591520 in words is "six trillion, six hundred sixty-two billion, ninety million, five hundred ninety-one thousand, five hundred twenty".