163442543222460 has 48 divisors (see below), whose sum is σ = 484559069321376. Its totient is φ = 41020873592832.

The previous prime is 163442543222429. The next prime is 163442543222461. The reversal of 163442543222460 is 64222345244361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163442543222461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80118892717 + ... + 80118894756.

It is an arithmetic number, because the mean of its divisors is an integer number (10094980610862).

Almost surely, 2^{163442543222460} is an apocalyptic number.

163442543222460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163442543222460 is an abundant number, since it is smaller than the sum of its proper divisors (321116526098916).

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

163442543222460 is a wasteful number, since it uses less digits than its factorization.

163442543222460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160237787502 (or 160237787500 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 48.

The spelling of 163442543222460 in words is "one hundred sixty-three trillion, four hundred forty-two billion, five hundred forty-three million, two hundred twenty-two thousand, four hundred sixty".