16161074 has 4 divisors (see below), whose sum is σ = 24241614. Its totient is φ = 8080536.

The previous prime is 16161071. The next prime is 16161107. The reversal of 16161074 is 47016161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47016161 = 73 ⋅644057.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 3150625 = 3607^2 + 1775^2 .

It is a super-2 number, since 2×16161074² = 522360625666952, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16161071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040267 + ... + 4040270.

Almost surely, 2^16161074 is an apocalyptic number.

16161074 is a deficient number, since it is larger than the sum of its proper divisors (8080540).

16161074 is an equidigital number, since it uses as much as digits as its factorization.

16161074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080539.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 16161074 is about 4020.0838299717. The cubic root of 16161074 is about 252.8269737181.

The spelling of 16161074 in words is "sixteen million, one hundred sixty-one thousand, seventy-four".