66922848 has 60 divisors (see below), whose sum is σ = 196825860. Its totient is φ = 22306752.

The previous prime is 66922841. The next prime is 66922853. The reversal of 66922848 is 84822966.

It is a super-2 number, since 2×66922848² = 8957335168862208, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66922841) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10318 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (3280431).

Almost surely, 2^66922848 is an apocalyptic number.

It is an amenable number.

66922848 is an abundant number, since it is smaller than the sum of its proper divisors (129903012).

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

66922848 is a wasteful number, since it uses less digits than its factorization.

66922848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25841 (or 25824 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 66922848 is about 8180.6386058791. The cubic root of 66922848 is about 405.9988513803.

The spelling of 66922848 in words is "sixty-six million, nine hundred twenty-two thousand, eight hundred forty-eight".