66260492 has 12 divisors (see below), whose sum is σ = 122776920. Its totient is φ = 31181376.

The previous prime is 66260479. The next prime is 66260497. The reversal of 66260492 is 29406266.

66260492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (66260497) 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, 487142 + ... + 487277.

It is an arithmetic number, because the mean of its divisors is an integer number (10231410).

Almost surely, 2^66260492 is an apocalyptic number.

It is an amenable number.

66260492 is a deficient number, since it is larger than the sum of its proper divisors (56516428).

66260492 is a wasteful number, since it uses less digits than its factorization.

66260492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974440 (or 974438 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 66260492 is about 8140.0547909704. The cubic root of 66260492 is about 404.6549761840.

The spelling of 66260492 in words is "sixty-six million, two hundred sixty thousand, four hundred ninety-two".