163065414343421 has 32 divisors (see below), whose sum is σ = 175802500362240. Its totient is φ = 150850217871936.

The previous prime is 163065414343411. The next prime is 163065414343427. The reversal of 163065414343421 is 124343414560361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163065414343421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163065414343427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372530330 + ... + 372967796.

It is an arithmetic number, because the mean of its divisors is an integer number (5493828136320).

Almost surely, 2^{163065414343421} is an apocalyptic number.

It is an amenable number.

163065414343421 is a deficient number, since it is larger than the sum of its proper divisors (12737086018819).

163065414343421 is a wasteful number, since it uses less digits than its factorization.

163065414343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440153.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 163065414343421 in words is "one hundred sixty-three trillion, sixty-five billion, four hundred fourteen million, three hundred forty-three thousand, four hundred twenty-one".