163950993872841 has 16 divisors (see below), whose sum is σ = 249832320568704. Its totient is φ = 93685444212864.

The previous prime is 163950993872801. The next prime is 163950993872851. The reversal of 163950993872841 is 148278399059361.

It is not a de Polignac number, because 163950993872841 - 2⁷ = 163950993872713 is a prime.

It is a super-2 number, since 2×163950993872841² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163950993872801) 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, 32509170 + ... + 37212203.

It is an arithmetic number, because the mean of its divisors is an integer number (15614520035544).

It is a 2-persistent number, because it is pandigital, and so is 2⋅163950993872841 = 327901987745682, but 3⋅163950993872841 = 491852981618523 is not.

Almost surely, 2^{163950993872841} is an apocalyptic number.

It is an amenable number.

163950993872841 is a deficient number, since it is larger than the sum of its proper divisors (85881326695863).

163950993872841 is a wasteful number, since it uses less digits than its factorization.

163950993872841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69833360.

The product of its (nonzero) digits is 705438720, while the sum is 75.

The spelling of 163950993872841 in words is "one hundred sixty-three trillion, nine hundred fifty billion, nine hundred ninety-three million, eight hundred seventy-two thousand, eight hundred forty-one".