16171057 has 8 divisors (see below), whose sum is σ = 19077632. Its totient is φ = 13413600.

The previous prime is 16171027. The next prime is 16171061. The reversal of 16171057 is 75017161.

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 16171057 - 2⁷ = 16170929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16171007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37044 + ... + 37477.

It is an arithmetic number, because the mean of its divisors is an integer number (2384704).

Almost surely, 2^16171057 is an apocalyptic number.

It is an amenable number.

16171057 is a deficient number, since it is larger than the sum of its proper divisors (2906575).

16171057 is an equidigital number, since it uses as much as digits as its factorization.

16171057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74559.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 16171057 is about 4021.3252790591. The cubic root of 16171057 is about 252.8790216648.

The spelling of 16171057 in words is "sixteen million, one hundred seventy-one thousand, fifty-seven".