163434163633405 has 16 divisors (see below), whose sum is σ = 231867187816320. Its totient is φ = 108204687646272.

The previous prime is 163434163633379. The next prime is 163434163633427. The reversal of 163434163633405 is 504336361434361.

It is not a de Polignac number, because 163434163633405 - 2⁷ = 163434163633277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80509439199 + ... + 80509441228.

It is an arithmetic number, because the mean of its divisors is an integer number (14491699238520).

Almost surely, 2^{163434163633405} is an apocalyptic number.

It is an amenable number.

163434163633405 is a deficient number, since it is larger than the sum of its proper divisors (68433024182915).

163434163633405 is a wasteful number, since it uses less digits than its factorization.

163434163633405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161018880468.

The product of its (nonzero) digits is 16796160, while the sum is 52.

The spelling of 163434163633405 in words is "one hundred sixty-three trillion, four hundred thirty-four billion, one hundred sixty-three million, six hundred thirty-three thousand, four hundred five".