16005378 has 16 divisors (see below), whose sum is σ = 33402816. Its totient is φ = 5103120.

The previous prime is 16005377. The next prime is 16005383. The reversal of 16005378 is 87350061.

It is not an unprimeable number, because it can be changed into a prime (16005377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57853 + ... + 58128.

It is an arithmetic number, because the mean of its divisors is an integer number (2087676).

Almost surely, 2^16005378 is an apocalyptic number.

16005378 is an abundant number, since it is smaller than the sum of its proper divisors (17397438).

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

16005378 is a wasteful number, since it uses less digits than its factorization.

16005378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116009.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 16005378 is about 4000.6721935195. The cubic root of 16005378 is about 252.0124395472.

The spelling of 16005378 in words is "sixteen million, five thousand, three hundred seventy-eight".