16780014 has 16 divisors (see below), whose sum is σ = 37289040. Its totient is φ = 5593320.

The previous prime is 16780007. The next prime is 16780031. The reversal of 16780014 is 41008761.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16780014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155317 + ... + 155424.

It is an arithmetic number, because the mean of its divisors is an integer number (2330565).

Almost surely, 2^16780014 is an apocalyptic number.

16780014 is an abundant number, since it is smaller than the sum of its proper divisors (20509026).

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

16780014 is a wasteful number, since it uses less digits than its factorization.

16780014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310752 (or 310746 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16780014 is about 4096.3415384951. The cubic root of 16780014 is about 256.0142305729.

Adding to 16780014 its reverse (41008761), we get a palindrome (57788775).

The spelling of 16780014 in words is "sixteen million, seven hundred eighty thousand, fourteen".