16013400 has 96 divisors (see below), whose sum is σ = 53486160. Its totient is φ = 3939840.

The previous prime is 16013383. The next prime is 16013401. The reversal of 16013400 is 431061.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 16013400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6774 + ... + 8826.

Almost surely, 2^16013400 is an apocalyptic number.

16013400 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 16013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26743080).

16013400 is an abundant number, since it is smaller than the sum of its proper divisors (37472760).

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

16013400 is a wasteful number, since it uses less digits than its factorization.

16013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 16013400 is about 4001.6746494437. The cubic root of 16013400 is about 252.0545359419.

Adding to 16013400 its reverse (431061), we get a palindrome (16444461).

The spelling of 16013400 in words is "sixteen million, thirteen thousand, four hundred".