163439206019454 has 16 divisors (see below), whose sum is σ = 338150081419920. Its totient is φ = 52601123776320.

The previous prime is 163439206019447. The next prime is 163439206019459. The reversal of 163439206019454 is 454910602934361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163439206019394 and 163439206019403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163439206019459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469652890687 + ... + 469652891034.

It is an arithmetic number, because the mean of its divisors is an integer number (21134380088745).

Almost surely, 2^{163439206019454} is an apocalyptic number.

163439206019454 is an abundant number, since it is smaller than the sum of its proper divisors (174710875400466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163439206019454 is a wasteful number, since it uses less digits than its factorization.

163439206019454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939305781755.

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 163439206019454 in words is "one hundred sixty-three trillion, four hundred thirty-nine billion, two hundred six million, nineteen thousand, four hundred fifty-four".