16760421 has 12 divisors (see below), whose sum is σ = 24607180. Its totient is φ = 10990080.

The previous prime is 16760417. The next prime is 16760423. The reversal of 16760421 is 12406761.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 16524225 = 486^2 + 4065^2 .

It is not a de Polignac number, because 16760421 - 2² = 16760417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16760423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14716 + ... + 15813.

Almost surely, 2^16760421 is an apocalyptic number.

It is an amenable number.

16760421 is a deficient number, since it is larger than the sum of its proper divisors (7846759).

16760421 is a wasteful number, since it uses less digits than its factorization.

16760421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30596 (or 30593 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16760421 is about 4093.9493157586. The cubic root of 16760421 is about 255.9145476919.

The spelling of 16760421 in words is "sixteen million, seven hundred sixty thousand, four hundred twenty-one".