16801378 has 8 divisors (see below), whose sum is σ = 27493200. Its totient is φ = 7636980.

The previous prime is 16801373. The next prime is 16801381. The reversal of 16801378 is 87310861.

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

It is not an unprimeable number, because it can be changed into a prime (16801373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381828 + ... + 381871.

It is an arithmetic number, because the mean of its divisors is an integer number (3436650).

Almost surely, 2^16801378 is an apocalyptic number.

16801378 is a deficient number, since it is larger than the sum of its proper divisors (10691822).

16801378 is a wasteful number, since it uses less digits than its factorization.

16801378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763712.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 16801378 is about 4098.9484017245. The cubic root of 16801378 is about 256.1228353382.

The spelling of 16801378 in words is "sixteen million, eight hundred one thousand, three hundred seventy-eight".