6666292080 has 240 divisors, whose sum is σ = 26411833344. Its totient is φ = 1474536960.

The previous prime is 6666292079. The next prime is 6666292081. The reversal of 6666292080 is 802926666.

It is an interprime number because it is at equal distance from previous prime (6666292079) and next prime (6666292081).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666292081) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 134907 + ... + 177573.

Almost surely, 2^6666292080 is an apocalyptic number.

6666292080 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 6666292080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13205916672).

6666292080 is an abundant number, since it is smaller than the sum of its proper divisors (19745541264).

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

6666292080 is a wasteful number, since it uses less digits than its factorization.

6666292080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42724 (or 42715 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6666292080 is about 81647.3641950553. The cubic root of 6666292080 is about 1882.0368071469.

The spelling of 6666292080 in words is "six billion, six hundred sixty-six million, two hundred ninety-two thousand, eighty".