264435116256603 has 16 divisors (see below), whose sum is σ = 391786355750400. Its totient is φ = 176276294921160.

The previous prime is 264435116256601. The next prime is 264435116256611. The reversal of 264435116256603 is 306652611534462.

264435116256603 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 3 + 5 + 1 + 1 + 6 + 25 + 6 + 603 = 666.

It is not a de Polignac number, because 264435116256603 - 2¹ = 264435116256601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264435116256603.

It is not an unprimeable number, because it can be changed into a prime (264435116256601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382497783 + ... + 383188496.

It is an arithmetic number, because the mean of its divisors is an integer number (24486647234400).

Almost surely, 2^{264435116256603} is an apocalyptic number.

264435116256603 is a deficient number, since it is larger than the sum of its proper divisors (127351239493797).

264435116256603 is a wasteful number, since it uses less digits than its factorization.

264435116256603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765699079 (or 765699073 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 264435116256603 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred sixteen million, two hundred fifty-six thousand, six hundred three".