16254161 has 8 divisors (see below), whose sum is σ = 20265024. Its totient is φ = 12665520.

The previous prime is 16254157. The next prime is 16254167. The reversal of 16254161 is 16145261.

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

It is not a de Polignac number, because 16254161 - 2² = 16254157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16254161.

It is not an unprimeable number, because it can be changed into a prime (16254167) 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, 105470 + ... + 105623.

It is an arithmetic number, because the mean of its divisors is an integer number (2533128).

Almost surely, 2^16254161 is an apocalyptic number.

16254161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16254161 is a deficient number, since it is larger than the sum of its proper divisors (4010863).

16254161 is a wasteful number, since it uses less digits than its factorization.

16254161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211111.

The product of its digits is 1440, while the sum is 26.

The square root of 16254161 is about 4031.6449496452. The cubic root of 16254161 is about 253.3114683730.

Subtracting from 16254161 its reverse (16145261), we obtain a square (108900 = 330²).

The spelling of 16254161 in words is "sixteen million, two hundred fifty-four thousand, one hundred sixty-one".