16172841 has 16 divisors (see below), whose sum is σ = 22984704. Its totient is φ = 10091664.

The previous prime is 16172837. The next prime is 16172861. The reversal of 16172841 is 14827161.

It is not a de Polignac number, because 16172841 - 2² = 16172837 is a prime.

It is a super-2 number, since 2×16172841² = 523121572022562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16172799 and 16172808.

It is not an unprimeable number, because it can be changed into a prime (16172861) 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, 750 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (1436544).

Almost surely, 2^16172841 is an apocalyptic number.

It is an amenable number.

16172841 is a deficient number, since it is larger than the sum of its proper divisors (6811863).

16172841 is a wasteful number, since it uses less digits than its factorization.

16172841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060.

The product of its digits is 2688, while the sum is 30.

The square root of 16172841 is about 4021.5470903621. The cubic root of 16172841 is about 252.8883205743. Note that the first 3 decimals are identical.

The spelling of 16172841 in words is "sixteen million, one hundred seventy-two thousand, eight hundred forty-one".