16051400 has 48 divisors (see below), whose sum is σ = 39523140. Its totient is φ = 6041600.

The previous prime is 16051361. The next prime is 16051429. The reversal of 16051400 is 415061.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8444836 + 7606564 = 2906^2 + 2758^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1040 + ... + 5760.

Almost surely, 2^16051400 is an apocalyptic number.

16051400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16051400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19761570).

16051400 is an abundant number, since it is smaller than the sum of its proper divisors (23471740).

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

16051400 is a wasteful number, since it uses less digits than its factorization.

16051400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 16051400 is about 4006.4198481936. The cubic root of 16051400 is about 252.2537546388.

Adding to 16051400 its reverse (415061), we get a palindrome (16466461).

The spelling of 16051400 in words is "sixteen million, fifty-one thousand, four hundred".