16001352 has 72 divisors (see below), whose sum is σ = 46096050. Its totient is φ = 5013504.

The previous prime is 16001351. The next prime is 16001383. The reversal of 16001352 is 25310061.

16001352 is a `hidden beast` number, since 1 + 600 + 13 + 52 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 15634116 + 367236 = 3954^2 + 606^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (16001351) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20424 + ... + 21192.

Almost surely, 2^16001352 is an apocalyptic number.

16001352 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 16001352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23048025).

16001352 is an abundant number, since it is smaller than the sum of its proper divisors (30094698).

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

16001352 is a wasteful number, since it uses less digits than its factorization.

16001352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 16001352 is about 4000.1689964300. The cubic root of 16001352 is about 251.9913073343.

The spelling of 16001352 in words is "sixteen million, one thousand, three hundred fifty-two".