538066660835 has 16 divisors (see below), whose sum is σ = 735003313920. Its totient is φ = 374307241440.

The previous prime is 538066660801. The next prime is 538066660843.

538066660835 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 538066660835 - 2¹⁰ = 538066659811 is a prime.

It is an unprimeable number.

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, 212673305 + ... + 212675834.

It is an arithmetic number, because the mean of its divisors is an integer number (45937707120).

Almost surely, 2^538066660835 is an apocalyptic number.

538066660835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

538066660835 is a deficient number, since it is larger than the sum of its proper divisors (196936653085).

538066660835 is a wasteful number, since it uses less digits than its factorization.

538066660835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425349178.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 538066660835 in words is "five hundred thirty-eight billion, sixty-six million, six hundred sixty thousand, eight hundred thirty-five".