66340486 has 8 divisors (see below), whose sum is σ = 101825064. Its totient is φ = 32398800.

The previous prime is 66340481. The next prime is 66340499. The reversal of 66340486 is 68404366.

66340486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385615 + ... + 385786.

It is an arithmetic number, because the mean of its divisors is an integer number (12728133).

Almost surely, 2^66340486 is an apocalyptic number.

66340486 is a deficient number, since it is larger than the sum of its proper divisors (35484578).

66340486 is a wasteful number, since it uses less digits than its factorization.

66340486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771446.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 66340486 is about 8144.9669121489. The cubic root of 66340486 is about 404.8177526819.

The spelling of 66340486 in words is "sixty-six million, three hundred forty thousand, four hundred eighty-six".