16773361 has 4 divisors (see below), whose sum is σ = 18298224. Its totient is φ = 15248500.

The previous prime is 16773347. The next prime is 16773401. The reversal of 16773361 is 16337761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16337761 = 11 ⋅1485251.

It is a cyclic number.

It is not a de Polignac number, because 16773361 - 2⁵ = 16773329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16773301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762415 + ... + 762436.

It is an arithmetic number, because the mean of its divisors is an integer number (4574556).

Almost surely, 2^16773361 is an apocalyptic number.

16773361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16773361 is a deficient number, since it is larger than the sum of its proper divisors (1524863).

16773361 is a wasteful number, since it uses less digits than its factorization.

16773361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524862.

The product of its digits is 15876, while the sum is 34.

The square root of 16773361 is about 4095.5293919102. The cubic root of 16773361 is about 255.9803909541.

Subtracting from 16773361 its reverse (16337761), we obtain a square (435600 = 660²).

It can be divided in two parts, 16 and 773361, that added together give a palindrome (773377).

The spelling of 16773361 in words is "sixteen million, seven hundred seventy-three thousand, three hundred sixty-one".