16169811841 has 8 divisors (see below), whose sum is σ = 16246248704. Its totient is φ = 16093410480.

The previous prime is 16169811821. The next prime is 16169811857. The reversal of 16169811841 is 14811896161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16169811841 - 2¹¹ = 16169809793 is a prime.

It is a super-2 number, since 2×16169811841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16169811791 and 16169811800.

It is not an unprimeable number, because it can be changed into a prime (16169811821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486675 + ... + 1497511.

It is an arithmetic number, because the mean of its divisors is an integer number (2030781088).

Almost surely, 2^16169811841 is an apocalyptic number.

It is an amenable number.

16169811841 is a deficient number, since it is larger than the sum of its proper divisors (76436863).

16169811841 is a wasteful number, since it uses less digits than its factorization.

16169811841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17751.

The product of its digits is 82944, while the sum is 46.

The spelling of 16169811841 in words is "sixteen billion, one hundred sixty-nine million, eight hundred eleven thousand, eight hundred forty-one".