163503206500131 has 12 divisors (see below), whose sum is σ = 236590785493608. Its totient is φ = 108808528182624.

The previous prime is 163503206500103. The next prime is 163503206500157. The reversal of 163503206500131 is 131005602305361.

163503206500131 is a `hidden beast` number, since 1 + 63 + 50 + 32 + 0 + 6 + 500 + 13 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-163503206500131 is a prime.

It is a super-2 number, since 2×163503206500131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163503206500171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16134118330 + ... + 16134128463.

It is an arithmetic number, because the mean of its divisors is an integer number (19715898791134).

Almost surely, 2^{163503206500131} is an apocalyptic number.

163503206500131 is a deficient number, since it is larger than the sum of its proper divisors (73087578993477).

163503206500131 is a wasteful number, since it uses less digits than its factorization.

163503206500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268247362 (or 32268247359 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 163503206500131 its reverse (131005602305361), we get a palindrome (294508808805492).

The spelling of 163503206500131 in words is "one hundred sixty-three trillion, five hundred three billion, two hundred six million, five hundred thousand, one hundred thirty-one".