16662036 has 24 divisors (see below), whose sum is σ = 39100320. Its totient is φ = 5522272.

The previous prime is 16662011. The next prime is 16662043. The reversal of 16662036 is 63026661.

It is a junction number, because it is equal to n+sod(n) for n = 16661994 and 16662012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 6026.

It is an arithmetic number, because the mean of its divisors is an integer number (1629180).

Almost surely, 2^16662036 is an apocalyptic number.

It is an amenable number.

16662036 is an abundant number, since it is smaller than the sum of its proper divisors (22438284).

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

16662036 is a wasteful number, since it uses less digits than its factorization.

16662036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 16662036 is about 4081.9157267146. The cubic root of 16662036 is about 255.4128184496.

Adding to 16662036 its reverse (63026661), we get a palindrome (79688697).

The spelling of 16662036 in words is "sixteen million, six hundred sixty-two thousand, thirty-six".