16108261 has 8 divisors (see below), whose sum is σ = 17410680. Its totient is φ = 14814912.

The previous prime is 16108259. The next prime is 16108271. The reversal of 16108261 is 16280161.

It can be written as a sum of positive squares in 4 ways, for example, as 8850625 + 7257636 = 2975^2 + 2694^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16108261 - 2¹ = 16108259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16108201) 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, 1695 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (2176335).

Almost surely, 2^16108261 is an apocalyptic number.

It is an amenable number.

16108261 is a deficient number, since it is larger than the sum of its proper divisors (1302419).

16108261 is a wasteful number, since it uses less digits than its factorization.

16108261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 16108261 is about 4013.5098106271. The cubic root of 16108261 is about 252.5512675692.

The spelling of 16108261 in words is "sixteen million, one hundred eight thousand, two hundred sixty-one".