66050946 has 36 divisors (see below), whose sum is σ = 154972818. Its totient is φ = 20322432.

The previous prime is 66050939. The next prime is 66050947. The reversal of 66050946 is 64905066.

It is a happy number.

66050946 is a `hidden beast` number, since 6 + 605 + 0 + 9 + 46 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 24950025 + 41100921 = 4995^2 + 6411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66050946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66050947) 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 17 ways as a sum of consecutive naturals, for example, 7815 + ... + 13898.

Almost surely, 2^66050946 is an apocalyptic number.

66050946 is an abundant number, since it is smaller than the sum of its proper divisors (88921872).

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

66050946 is a wasteful number, since it uses less digits than its factorization.

66050946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747 (or 21731 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 66050946 is about 8127.1733093370. The cubic root of 66050946 is about 404.2279576491.

The spelling of 66050946 in words is "sixty-six million, fifty thousand, nine hundred forty-six".