66763066 has 8 divisors (see below), whose sum is σ = 104498784. Its totient is φ = 31930140.

The previous prime is 66763049. The next prime is 66763069. The reversal of 66763066 is 66036766.

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

It is not an unprimeable number, because it can be changed into a prime (66763069) 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 3 ways as a sum of consecutive naturals, for example, 725640 + ... + 725731.

It is an arithmetic number, because the mean of its divisors is an integer number (13062348).

Almost surely, 2^66763066 is an apocalyptic number.

66763066 is a deficient number, since it is larger than the sum of its proper divisors (37735718).

66763066 is a wasteful number, since it uses less digits than its factorization.

66763066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451396.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 66763066 is about 8170.8669062713. The cubic root of 66763066 is about 405.6754789849.

The spelling of 66763066 in words is "sixty-six million, seven hundred sixty-three thousand, sixty-six".