66119922 has 64 divisors (see below), whose sum is σ = 161539200. Its totient is φ = 19880640.

The previous prime is 66119897. The next prime is 66119927. The reversal of 66119922 is 22991166.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (66119927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92904 + ... + 93612.

It is an arithmetic number, because the mean of its divisors is an integer number (2524050).

Almost surely, 2^66119922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66119922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80769600).

66119922 is an abundant number, since it is smaller than the sum of its proper divisors (95419278).

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

66119922 is a wasteful number, since it uses less digits than its factorization.

66119922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 882 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 66119922 is about 8131.4157438911. The cubic root of 66119922 is about 404.3686184033.

The spelling of 66119922 in words is "sixty-six million, one hundred nineteen thousand, nine hundred twenty-two".