245646540066 has 32 divisors (see below), whose sum is σ = 503662739328. Its totient is φ = 79823640960.

The previous prime is 245646540059. The next prime is 245646540079. The reversal of 245646540066 is 660045646542.

245646540066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245646539997 and 245646540024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62641 + ... + 703716.

It is an arithmetic number, because the mean of its divisors is an integer number (15739460604).

Almost surely, 2^245646540066 is an apocalyptic number.

245646540066 is an abundant number, since it is smaller than the sum of its proper divisors (258016199262).

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

245646540066 is a wasteful number, since it uses less digits than its factorization.

245646540066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767706.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 245646540066 in words is "two hundred forty-five billion, six hundred forty-six million, five hundred forty thousand, sixty-six".