163142543553 has 16 divisors (see below), whose sum is σ = 251256966336. Its totient is φ = 93058135040.

The previous prime is 163142543537. The next prime is 163142543561. The reversal of 163142543553 is 355345241361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163142543553 - 2⁴ = 163142543537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163142543573) 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, 145402776 + ... + 145403897.

It is an arithmetic number, because the mean of its divisors is an integer number (15703560396).

Almost surely, 2^163142543553 is an apocalyptic number.

It is an amenable number.

163142543553 is a deficient number, since it is larger than the sum of its proper divisors (88114422783).

163142543553 is a wasteful number, since it uses less digits than its factorization.

163142543553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290806704.

The product of its digits is 648000, while the sum is 42.

The spelling of 163142543553 in words is "one hundred sixty-three billion, one hundred forty-two million, five hundred forty-three thousand, five hundred fifty-three".