16381352 has 16 divisors (see below), whose sum is σ = 33077940. Its totient is φ = 7560576.

The previous prime is 16381331. The next prime is 16381381. The reversal of 16381352 is 25318361.

It can be written as a sum of positive squares in 2 ways, for example, as 16370116 + 11236 = 4046^2 + 106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78653 + ... + 78860.

Almost surely, 2^16381352 is an apocalyptic number.

It is an amenable number.

16381352 is an abundant number, since it is smaller than the sum of its proper divisors (16696588).

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

16381352 is a wasteful number, since it uses less digits than its factorization.

16381352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157532 (or 157528 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 16381352 is about 4047.3882937025. The cubic root of 16381352 is about 253.9704845113.

The spelling of 16381352 in words is "sixteen million, three hundred eighty-one thousand, three hundred fifty-two".