163503221432463 has 32 divisors (see below), whose sum is σ = 264250276792320. Its totient is φ = 99091869151680.

The previous prime is 163503221432431. The next prime is 163503221432479. The reversal of 163503221432463 is 364234122305361.

163503221432463 is a `hidden beast` number, since 1 + 6 + 3 + 50 + 3 + 2 + 214 + 324 + 63 = 666.

It is not a de Polignac number, because 163503221432463 - 2⁵ = 163503221432431 is a prime.

It is a super-2 number, since 2×163503221432463² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163503221432363) 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, 27510306 + ... + 32921472.

It is an arithmetic number, because the mean of its divisors is an integer number (8257821149760).

Almost surely, 2^{163503221432463} is an apocalyptic number.

163503221432463 is a deficient number, since it is larger than the sum of its proper divisors (100747055359857).

163503221432463 is a wasteful number, since it uses less digits than its factorization.

163503221432463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512924 (or 5512918 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 163503221432463 in words is "one hundred sixty-three trillion, five hundred three billion, two hundred twenty-one million, four hundred thirty-two thousand, four hundred sixty-three".