66050404 has 48 divisors (see below), whose sum is σ = 135531648. Its totient is φ = 27583488.

The previous prime is 66050401. The next prime is 66050407. The reversal of 66050404 is 40405066.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66050401) and next prime (66050407).

It is not an unprimeable number, because it can be changed into a prime (66050401) 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 15 ways as a sum of consecutive naturals, for example, 225282 + ... + 225574.

It is an arithmetic number, because the mean of its divisors is an integer number (2823576).

Almost surely, 2^66050404 is an apocalyptic number.

It is an amenable number.

66050404 is an abundant number, since it is smaller than the sum of its proper divisors (69481244).

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

66050404 is a wasteful number, since it uses less digits than its factorization.

66050404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 66050404 is about 8127.1399643417. The cubic root of 66050404 is about 404.2268519765.

The spelling of 66050404 in words is "sixty-six million, fifty thousand, four hundred four".