16457161 has 8 divisors (see below), whose sum is σ = 19073664. Its totient is φ = 13907040.

The previous prime is 16457159. The next prime is 16457179. The reversal of 16457161 is 16175461.

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

It is not a de Polignac number, because 16457161 - 2¹ = 16457159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16457131) 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, 16060 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (2384208).

Almost surely, 2^16457161 is an apocalyptic number.

It is an amenable number.

16457161 is a deficient number, since it is larger than the sum of its proper divisors (2616503).

16457161 is an equidigital number, since it uses as much as digits as its factorization.

16457161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33191.

The product of its digits is 5040, while the sum is 31.

The square root of 16457161 is about 4056.7426588336. The cubic root of 16457161 is about 254.3616533795.

The spelling of 16457161 in words is "sixteen million, four hundred fifty-seven thousand, one hundred sixty-one".