16261673 has 4 divisors (see below), whose sum is σ = 17218260. Its totient is φ = 15305088.

The previous prime is 16261669. The next prime is 16261691. The reversal of 16261673 is 37616261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37616261 = 2939 ⋅12799.

It can be written as a sum of positive squares in 2 ways, for example, as 13344409 + 2917264 = 3653^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 16261673 - 2² = 16261669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16261633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478268 + ... + 478301.

It is an arithmetic number, because the mean of its divisors is an integer number (4304565).

Almost surely, 2^16261673 is an apocalyptic number.

It is an amenable number.

16261673 is a deficient number, since it is larger than the sum of its proper divisors (956587).

16261673 is an equidigital number, since it uses as much as digits as its factorization.

16261673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956586.

The product of its digits is 9072, while the sum is 32.

The square root of 16261673 is about 4032.5764716866. The cubic root of 16261673 is about 253.3504857192.

The spelling of 16261673 in words is "sixteen million, two hundred sixty-one thousand, six hundred seventy-three".