163338725463 has 4 divisors (see below), whose sum is σ = 217784967288. Its totient is φ = 108892483640.

The previous prime is 163338725461. The next prime is 163338725471. The reversal of 163338725463 is 364527833361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364527833361 = 3 ⋅121509277787.

It is a cyclic number.

It is not a de Polignac number, because 163338725463 - 2¹ = 163338725461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163338725461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27223120908 + ... + 27223120913.

It is an arithmetic number, because the mean of its divisors is an integer number (54446241822).

Almost surely, 2^163338725463 is an apocalyptic number.

163338725463 is a deficient number, since it is larger than the sum of its proper divisors (54446241825).

163338725463 is an equidigital number, since it uses as much as digits as its factorization.

163338725463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54446241824.

The product of its digits is 6531840, while the sum is 51.

The spelling of 163338725463 in words is "one hundred sixty-three billion, three hundred thirty-eight million, seven hundred twenty-five thousand, four hundred sixty-three".