245636250066 has 24 divisors (see below), whose sum is σ = 532311618384. Its totient is φ = 81863404920.

The previous prime is 245636250049. The next prime is 245636250131. The reversal of 245636250066 is 660052636542.

245636250066 is a `hidden beast` number, since 2 + 4 + 5 + 636 + 2 + 5 + 0 + 0 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179840 + ... + 1372331.

It is an arithmetic number, because the mean of its divisors is an integer number (22179650766).

Almost surely, 2^245636250066 is an apocalyptic number.

245636250066 is an abundant number, since it is smaller than the sum of its proper divisors (286675368318).

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

245636250066 is a wasteful number, since it uses less digits than its factorization.

245636250066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557526 (or 2557523 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 245636250066 in words is "two hundred forty-five billion, six hundred thirty-six million, two hundred fifty thousand, sixty-six".