66941922 has 8 divisors (see below), whose sum is σ = 133883856. Its totient is φ = 22313972.

The previous prime is 66941909. The next prime is 66941923. The reversal of 66941922 is 22914966.

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

66941922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66941923) 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, 5578488 + ... + 5578499.

It is an arithmetic number, because the mean of its divisors is an integer number (16735482).

Almost surely, 2^66941922 is an apocalyptic number.

66941922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66941922 is a wasteful number, since it uses less digits than its factorization.

66941922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156992.

The product of its digits is 46656, while the sum is 39.

The square root of 66941922 is about 8181.8043242307. The cubic root of 66941922 is about 406.0374196059.

The spelling of 66941922 in words is "sixty-six million, nine hundred forty-one thousand, nine hundred twenty-two".