16416140 has 48 divisors (see below), whose sum is σ = 37547328. Its totient is φ = 5992704.

The previous prime is 16416131. The next prime is 16416149. The reversal of 16416140 is 4161461.

It is an interprime number because it is at equal distance from previous prime (16416131) and next prime (16416149).

It is not an unprimeable number, because it can be changed into a prime (16416149) 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, 26474 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (782236).

Almost surely, 2^16416140 is an apocalyptic number.

16416140 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 16416140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18773664).

16416140 is an abundant number, since it is smaller than the sum of its proper divisors (21131188).

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

16416140 is a wasteful number, since it uses less digits than its factorization.

16416140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16416140 is about 4051.6836006776. The cubic root of 16416140 is about 254.1501375378.

The spelling of 16416140 in words is "sixteen million, four hundred sixteen thousand, one hundred forty".