16351872 has 64 divisors (see below), whose sum is σ = 43982400. Its totient is φ = 5382144.

The previous prime is 16351861. The next prime is 16351883. The reversal of 16351872 is 27815361.

It is an interprime number because it is at equal distance from previous prime (16351861) and next prime (16351883).

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37029 + ... + 37467.

It is an arithmetic number, because the mean of its divisors is an integer number (687225).

Almost surely, 2^16351872 is an apocalyptic number.

16351872 is a gapful number since it is divisible by the number (12) 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 16351872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21991200).

16351872 is an abundant number, since it is smaller than the sum of its proper divisors (27630528).

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

16351872 is an equidigital number, since it uses as much as digits as its factorization.

16351872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 541 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 16351872 is about 4043.7447990693. The cubic root of 16351872 is about 253.8180439877.

The spelling of 16351872 in words is "sixteen million, three hundred fifty-one thousand, eight hundred seventy-two".