16172941 has 4 divisors (see below), whose sum is σ = 16215552. Its totient is φ = 16130332.

The previous prime is 16172927. The next prime is 16172951. The reversal of 16172941 is 14927161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14927161 = 23 ⋅649007.

It is a cyclic number.

It is not a de Polignac number, because 16172941 - 2¹³ = 16164749 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20731 + ... + 21496.

It is an arithmetic number, because the mean of its divisors is an integer number (4053888).

Almost surely, 2^16172941 is an apocalyptic number.

It is an amenable number.

16172941 is a deficient number, since it is larger than the sum of its proper divisors (42611).

16172941 is an equidigital number, since it uses as much as digits as its factorization.

16172941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42610.

The product of its digits is 3024, while the sum is 31.

The square root of 16172941 is about 4021.5595233690. The cubic root of 16172941 is about 252.8888417934. Note that the first 4 decimals are identical.

The spelling of 16172941 in words is "sixteen million, one hundred seventy-two thousand, nine hundred forty-one".