6618132976 has 160 divisors (see below), whose sum is σ = 16558940160. Its totient is φ = 2490504192.

The previous prime is 6618132971. The next prime is 6618132977. The reversal of 6618132976 is 6792318166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6618132971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7668321 + ... + 7669183.

It is an arithmetic number, because the mean of its divisors is an integer number (103493376).

Almost surely, 2^6618132976 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 6618132976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8279470080).

6618132976 is an abundant number, since it is smaller than the sum of its proper divisors (9940807184).

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

6618132976 is a wasteful number, since it uses less digits than its factorization.

6618132976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1137 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 6618132976 is about 81351.9082505137. The cubic root of 6618132976 is about 1877.4937344228.

It can be divided in two parts, 66181 and 32976, that multiplied together give a square (2182384656 = 46716²).

The spelling of 6618132976 in words is "six billion, six hundred eighteen million, one hundred thirty-two thousand, nine hundred seventy-six".