6650682561432 has 768 divisors, whose sum is σ = 23168710656000. Its totient is φ = 1676812161024.

The previous prime is 6650682561389. The next prime is 6650682561451. The reversal of 6650682561432 is 2341652860566.

6650682561432 is a `hidden beast` number, since 6 + 6 + 506 + 82 + 56 + 1 + 4 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4577206818 + ... + 4577208270.

It is an arithmetic number, because the mean of its divisors is an integer number (30167592000).

Almost surely, 2^{6650682561432} 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 6650682561432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11584355328000).

6650682561432 is an abundant number, since it is smaller than the sum of its proper divisors (16518028094568).

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

6650682561432 is a wasteful number, since it uses less digits than its factorization.

6650682561432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 6650682561432 in words is "six trillion, six hundred fifty billion, six hundred eighty-two million, five hundred sixty-one thousand, four hundred thirty-two".