16378396 has 6 divisors (see below), whose sum is σ = 28662200. Its totient is φ = 8189196.

The previous prime is 16378391. The next prime is 16378421. The reversal of 16378396 is 69387361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16378391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047296 + ... + 2047303.

Almost surely, 2^16378396 is an apocalyptic number.

It is an amenable number.

16378396 is a deficient number, since it is larger than the sum of its proper divisors (12283804).

16378396 is a wasteful number, since it uses less digits than its factorization.

16378396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094603 (or 4094601 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 16378396 is about 4047.0231034675. The cubic root of 16378396 is about 253.9552073451.

The spelling of 16378396 in words is "sixteen million, three hundred seventy-eight thousand, three hundred ninety-six".