66969122 has 8 divisors (see below), whose sum is σ = 109585872. Its totient is φ = 30440500.

The previous prime is 66969121. The next prime is 66969127. The reversal of 66969122 is 22196966.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66969122.

It is not an unprimeable number, because it can be changed into a prime (66969121) 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, 1522004 + ... + 1522047.

It is an arithmetic number, because the mean of its divisors is an integer number (13698234).

Almost surely, 2^66969122 is an apocalyptic number.

66969122 is a deficient number, since it is larger than the sum of its proper divisors (42616750).

66969122 is a wasteful number, since it uses less digits than its factorization.

66969122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044064.

The product of its digits is 69984, while the sum is 41.

The square root of 66969122 is about 8183.4663804527. The cubic root of 66969122 is about 406.0924061872.

The spelling of 66969122 in words is "sixty-six million, nine hundred sixty-nine thousand, one hundred twenty-two".