245322744066 has 32 divisors (see below), whose sum is σ = 545658742080. Its totient is φ = 81699684768.

The previous prime is 245322744061. The next prime is 245322744071. The reversal of 245322744066 is 660447223542.

245322744066 is a `hidden beast` number, since 2 + 4 + 532 + 2 + 74 + 40 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (245322744061) and next prime (245322744071).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245322744061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2011416 + ... + 2129891.

It is an arithmetic number, because the mean of its divisors is an integer number (17051835690).

Almost surely, 2^245322744066 is an apocalyptic number.

245322744066 is an abundant number, since it is smaller than the sum of its proper divisors (300335998014).

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

245322744066 is a wasteful number, since it uses less digits than its factorization.

245322744066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142415 (or 4142409 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 245322744066 in words is "two hundred forty-five billion, three hundred twenty-two million, seven hundred forty-four thousand, sixty-six".