16674636 has 24 divisors (see below), whose sum is σ = 42444864. Its totient is φ = 5052880.

The previous prime is 16674631. The next prime is 16674653. The reversal of 16674636 is 63647661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16674594 and 16674603.

It is not an unprimeable number, because it can be changed into a prime (16674631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63030 + ... + 63293.

It is an arithmetic number, because the mean of its divisors is an integer number (1768536).

Almost surely, 2^16674636 is an apocalyptic number.

It is an amenable number.

16674636 is an abundant number, since it is smaller than the sum of its proper divisors (25770228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16674636 is a wasteful number, since it uses less digits than its factorization.

16674636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126341 (or 126339 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 16674636 is about 4083.4588280035. The cubic root of 16674636 is about 255.4771841458.

The spelling of 16674636 in words is "sixteen million, six hundred seventy-four thousand, six hundred thirty-six".