6611943600000 has 384 divisors, whose sum is σ = 24391499781600. Its totient is φ = 1763182080000.

The previous prime is 6611943599983. The next prime is 6611943600029. The reversal of 6611943600000 is 63491166.

6611943600000 is a `hidden beast` number, since 6 + 6 + 1 + 1 + 9 + 43 + 600 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-5 number, since 5×6611943600000⁵ (a number of 65 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10493892 + ... + 11106108.

Almost surely, 2^{6611943600000} is an apocalyptic number.

6611943600000 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 6611943600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12195749890800).

6611943600000 is an abundant number, since it is smaller than the sum of its proper divisors (17779556181600).

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

6611943600000 is an frugal number, since it uses more digits than its factorization.

6611943600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612265 (or 612227 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 6611943600000 in words is "six trillion, six hundred eleven billion, nine hundred forty-three million, six hundred thousand".