16331416 has 8 divisors (see below), whose sum is σ = 30621420. Its totient is φ = 8165704.

The previous prime is 16331383. The next prime is 16331417. The reversal of 16331416 is 61413361.

It is a happy number.

16331416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16331417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020706 + ... + 1020721.

Almost surely, 2^16331416 is an apocalyptic number.

It is an amenable number.

16331416 is a deficient number, since it is larger than the sum of its proper divisors (14290004).

16331416 is a wasteful number, since it uses less digits than its factorization.

16331416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041433 (or 2041429 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 16331416 is about 4041.2146688836. The cubic root of 16331416 is about 253.7121586901.

Adding to 16331416 its reverse (61413361), we get a palindrome (77744777).

The spelling of 16331416 in words is "sixteen million, three hundred thirty-one thousand, four hundred sixteen".