16766049 has 4 divisors (see below), whose sum is σ = 22354736. Its totient is φ = 11177364.

The previous prime is 16766039. The next prime is 16766059. The reversal of 16766049 is 94066761.

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: 94066761 = 3 ⋅31355587.

It is an interprime number because it is at equal distance from previous prime (16766039) and next prime (16766059).

It is not a de Polignac number, because 16766049 - 2¹⁷ = 16634977 is a prime.

It is a super-2 number, since 2×16766049² = 562200798140802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16765998 and 16766016.

It is not an unprimeable number, because it can be changed into a prime (16766039) 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, 2794339 + ... + 2794344.

It is an arithmetic number, because the mean of its divisors is an integer number (5588684).

Almost surely, 2^16766049 is an apocalyptic number.

It is an amenable number.

16766049 is a deficient number, since it is larger than the sum of its proper divisors (5588687).

16766049 is an equidigital number, since it uses as much as digits as its factorization.

16766049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588686.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 16766049 is about 4094.6366139134. The cubic root of 16766049 is about 255.9431890944.

The spelling of 16766049 in words is "sixteen million, seven hundred sixty-six thousand, forty-nine".