163545515343 has 32 divisors (see below), whose sum is σ = 276926720000. Its totient is φ = 93446392608.

The previous prime is 163545515297. The next prime is 163545515383. The reversal of 163545515343 is 343515545361.

163545515343 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 4 + 551 + 53 + 43 = 666.

It is not a de Polignac number, because 163545515343 - 2⁹ = 163545514831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163545515383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2614905 + ... + 2676717.

It is an arithmetic number, because the mean of its divisors is an integer number (8653960000).

Almost surely, 2^163545515343 is an apocalyptic number.

163545515343 is a deficient number, since it is larger than the sum of its proper divisors (113381204657).

163545515343 is a wasteful number, since it uses less digits than its factorization.

163545515343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75828 (or 75822 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 163545515343 in words is "one hundred sixty-three billion, five hundred forty-five million, five hundred fifteen thousand, three hundred forty-three".