2273403255066 has 64 divisors (see below), whose sum is σ = 5189183583360. Its totient is φ = 737229651840.

The previous prime is 2273403254953. The next prime is 2273403255107. The reversal of 2273403255066 is 6605523043722.

2273403255066 is a `hidden beast` number, since 2 + 2 + 7 + 3 + 4 + 0 + 32 + 550 + 66 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17331246 + ... + 17461926.

It is an arithmetic number, because the mean of its divisors is an integer number (81080993490).

Almost surely, 2^{2273403255066} is an apocalyptic number.

2273403255066 is an abundant number, since it is smaller than the sum of its proper divisors (2915780328294).

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

2273403255066 is a wasteful number, since it uses less digits than its factorization.

2273403255066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139436 (or 139430 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

Adding to 2273403255066 its reverse (6605523043722), we get a palindrome (8878926298788).

The spelling of 2273403255066 in words is "two trillion, two hundred seventy-three billion, four hundred three million, two hundred fifty-five thousand, sixty-six".