16378196 has 6 divisors (see below), whose sum is σ = 28661850. Its totient is φ = 8189096.

The previous prime is 16378189. The next prime is 16378237. The reversal of 16378196 is 69187361.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 490000 = 3986^2 + 700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047271 + ... + 2047278.

It is an arithmetic number, because the mean of its divisors is an integer number (4776975).

Almost surely, 2^16378196 is an apocalyptic number.

It is an amenable number.

16378196 is a deficient number, since it is larger than the sum of its proper divisors (12283654).

16378196 is a wasteful number, since it uses less digits than its factorization.

16378196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094553 (or 4094551 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 16378196 is about 4046.9983938717. The cubic root of 16378196 is about 253.9541736409.

The spelling of 16378196 in words is "sixteen million, three hundred seventy-eight thousand, one hundred ninety-six".