16766485 has 4 divisors (see below), whose sum is σ = 20119788. Its totient is φ = 13413184.

The previous prime is 16766483. The next prime is 16766509. The reversal of 16766485 is 58466761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 7969329 = 2966^2 + 2823^2 .

It is a cyclic number.

It is not a de Polignac number, because 16766485 - 2¹ = 16766483 is a prime.

It is a super-2 number, since 2×16766485² = 562230038510450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766483) 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, 1676644 + ... + 1676653.

It is an arithmetic number, because the mean of its divisors is an integer number (5029947).

Almost surely, 2^16766485 is an apocalyptic number.

It is an amenable number.

16766485 is a deficient number, since it is larger than the sum of its proper divisors (3353303).

16766485 is an equidigital number, since it uses as much as digits as its factorization.

16766485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353302.

The product of its digits is 241920, while the sum is 43.

The square root of 16766485 is about 4094.6898539450. The cubic root of 16766485 is about 255.9454076705.

The spelling of 16766485 in words is "sixteen million, seven hundred sixty-six thousand, four hundred eighty-five".