16061916 has 48 divisors (see below), whose sum is σ = 42492800. Its totient is φ = 4681152.

The previous prime is 16061891. The next prime is 16061917. The reversal of 16061916 is 61916061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 5673.

Almost surely, 2^16061916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16061916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21246400).

16061916 is an abundant number, since it is smaller than the sum of its proper divisors (26430884).

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

16061916 is a wasteful number, since it uses less digits than its factorization.

16061916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5456 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 16061916 is about 4007.7320269699. The cubic root of 16061916 is about 252.3088302375.

Adding to 16061916 its reverse (61916061), we get a palindrome (77977977).

The spelling of 16061916 in words is "sixteen million, sixty-one thousand, nine hundred sixteen".