16012378 has 8 divisors (see below), whose sum is σ = 24412500. Its totient is φ = 7874880.

The previous prime is 16012369. The next prime is 16012391. The reversal of 16012378 is 87321061.

16012378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14417209 + 1595169 = 3797^2 + 1263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 65503 + ... + 65746.

Almost surely, 2^16012378 is an apocalyptic number.

16012378 is a deficient number, since it is larger than the sum of its proper divisors (8400122).

16012378 is a wasteful number, since it uses less digits than its factorization.

16012378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131312.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16012378 is about 4001.5469508679. The cubic root of 16012378 is about 252.0491736575.

The spelling of 16012378 in words is "sixteen million, twelve thousand, three hundred seventy-eight".