66182680 has 16 divisors (see below), whose sum is σ = 148911120. Its totient is φ = 26473056.

The previous prime is 66182657. The next prime is 66182689. The reversal of 66182680 is 8628166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66182689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827244 + ... + 827323.

It is an arithmetic number, because the mean of its divisors is an integer number (9306945).

Almost surely, 2^66182680 is an apocalyptic number.

It is an amenable number.

66182680 is an abundant number, since it is smaller than the sum of its proper divisors (82728440).

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

66182680 is a wasteful number, since it uses less digits than its factorization.

66182680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654578 (or 1654574 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 66182680 is about 8135.2738122328. The cubic root of 66182680 is about 404.4965140017.

The spelling of 66182680 in words is "sixty-six million, one hundred eighty-two thousand, six hundred eighty".