6655178549052 has 216 divisors, whose sum is σ = 19133864109360. Its totient is φ = 1947682598400.

The previous prime is 6655178549051. The next prime is 6655178549053. The reversal of 6655178549052 is 2509458715566.

6655178549052 is a `hidden beast` number, since 6 + 6 + 5 + 5 + 17 + 85 + 490 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (6655178549051) and next prime (6655178549053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655178549051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16470802 + ... + 16870022.

It is an arithmetic number, because the mean of its divisors is an integer number (88582704210).

Almost surely, 2^{6655178549052} 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 6655178549052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9566932054680).

6655178549052 is an abundant number, since it is smaller than the sum of its proper divisors (12478685560308).

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

6655178549052 is a wasteful number, since it uses less digits than its factorization.

6655178549052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399385 (or 399369 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 63.

The spelling of 6655178549052 in words is "six trillion, six hundred fifty-five billion, one hundred seventy-eight million, five hundred forty-nine thousand, fifty-two".