163541057761023 has 16 divisors (see below), whose sum is σ = 219365232652800. Its totient is φ = 108374080395680.

The previous prime is 163541057761007. The next prime is 163541057761031. The reversal of 163541057761023 is 320167750145361.

It is a cyclic number.

It is not a de Polignac number, because 163541057761023 - 2⁴ = 163541057761007 is a prime.

It is a super-2 number, since 2×163541057761023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163541057760023) 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, 243794808 + ... + 244464701.

It is an arithmetic number, because the mean of its divisors is an integer number (13710327040800).

Almost surely, 2^{163541057761023} is an apocalyptic number.

163541057761023 is a deficient number, since it is larger than the sum of its proper divisors (55824174891777).

163541057761023 is a wasteful number, since it uses less digits than its factorization.

163541057761023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488260182.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 163541057761023 in words is "one hundred sixty-three trillion, five hundred forty-one billion, fifty-seven million, seven hundred sixty-one thousand, twenty-three".