16378752 has 128 divisors (see below), whose sum is σ = 49865760. Its totient is φ = 4718592.

The previous prime is 16378727. The next prime is 16378763. The reversal of 16378752 is 25787361.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (70560) is a multiple of the sum of its prime factors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 16378752.

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 15 ways as a sum of consecutive naturals, for example, 84768 + ... + 84960.

Almost surely, 2^16378752 is an apocalyptic number.

16378752 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 16378752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24932880).

16378752 is an abundant number, since it is smaller than the sum of its proper divisors (33487008).

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

16378752 is a wasteful number, since it uses less digits than its factorization.

16378752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 16378752 is about 4047.0670861749. The cubic root of 16378752 is about 253.9570473177.

The spelling of 16378752 in words is "sixteen million, three hundred seventy-eight thousand, seven hundred fifty-two".