501063631666534 has 64 divisors (see below), whose sum is σ = 808838234910720. Its totient is φ = 231957995673600.

The previous prime is 501063631666531. The next prime is 501063631666541. The reversal of 501063631666534 is 435666136360105.

It is a super-4 number, since 4×501063631666534⁴ (a number of 60 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501063631666531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9356729059 + ... + 9356782609.

It is an arithmetic number, because the mean of its divisors is an integer number (12638097420480).

Almost surely, 2^{501063631666534} is an apocalyptic number.

501063631666534 is a deficient number, since it is larger than the sum of its proper divisors (307774603244186).

501063631666534 is a wasteful number, since it uses less digits than its factorization.

501063631666534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67765.

The product of its (nonzero) digits is 20995200, while the sum is 55.

The spelling of 501063631666534 in words is "five hundred one trillion, sixty-three billion, six hundred thirty-one million, six hundred sixty-six thousand, five hundred thirty-four".