16051404 has 12 divisors (see below), whose sum is σ = 37453304. Its totient is φ = 5350464.

The previous prime is 16051361. The next prime is 16051429. The reversal of 16051404 is 40415061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668797 + ... + 668820.

Almost surely, 2^16051404 is an apocalyptic number.

It is an amenable number.

16051404 is an abundant number, since it is smaller than the sum of its proper divisors (21401900).

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

16051404 is a wasteful number, since it uses less digits than its factorization.

16051404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337624 (or 1337622 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 16051404 is about 4006.4203473924. The cubic root of 16051404 is about 252.2537755926.

Adding to 16051404 its reverse (40415061), we get a palindrome (56466465).

The spelling of 16051404 in words is "sixteen million, fifty-one thousand, four hundred four".