16165673 has 8 divisors (see below), whose sum is σ = 16777800. Its totient is φ = 15557248.

The previous prime is 16165627. The next prime is 16165717. The reversal of 16165673 is 37656161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3003289 + 13162384 = 1733^2 + 3628^2 .

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 16165673 - 2⁶ = 16165609 is a prime.

It is a super-2 number, since 2×16165673² = 522657967085858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16165613) 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, 10565 + ... + 11997.

It is an arithmetic number, because the mean of its divisors is an integer number (2097225).

Almost surely, 2^16165673 is an apocalyptic number.

It is an amenable number.

16165673 is a deficient number, since it is larger than the sum of its proper divisors (612127).

16165673 is a wasteful number, since it uses less digits than its factorization.

16165673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851.

The product of its digits is 22680, while the sum is 35.

The square root of 16165673 is about 4020.6557922807. The cubic root of 16165673 is about 252.8509539926.

The spelling of 16165673 in words is "sixteen million, one hundred sixty-five thousand, six hundred seventy-three".