16105481 has 8 divisors (see below), whose sum is σ = 18753984. Its totient is φ = 13543920.

The previous prime is 16105459. The next prime is 16105489. The reversal of 16105481 is 18450161.

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 16105481 - 2²² = 11911177 is a prime.

It is a super-2 number, since 2×16105481² = 518773036482722, which contains 22 as substring.

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 16105481.

It is not an unprimeable number, because it can be changed into a prime (16105489) 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, 21335 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (2344248).

Almost surely, 2^16105481 is an apocalyptic number.

It is an amenable number.

16105481 is a deficient number, since it is larger than the sum of its proper divisors (2648503).

16105481 is an equidigital number, since it uses as much as digits as its factorization.

16105481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43471.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 16105481 is about 4013.1634653973. The cubic root of 16105481 is about 252.5367381110.

The spelling of 16105481 in words is "sixteen million, one hundred five thousand, four hundred eighty-one".