16907144 has 8 divisors (see below), whose sum is σ = 31700910. Its totient is φ = 8453568.

The previous prime is 16907123. The next prime is 16907147. The reversal of 16907144 is 44170961.

It can be written as a sum of positive squares in only one way, i.e., 13410244 + 3496900 = 3662^2 + 1870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 16907144.

It is not an unprimeable number, because it can be changed into a prime (16907147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056689 + ... + 1056704.

Almost surely, 2^16907144 is an apocalyptic number.

It is an amenable number.

16907144 is a deficient number, since it is larger than the sum of its proper divisors (14793766).

16907144 is a wasteful number, since it uses less digits than its factorization.

16907144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113399 (or 2113395 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 16907144 is about 4111.8297630131. The cubic root of 16907144 is about 256.6591493460.

The spelling of 16907144 in words is "sixteen million, nine hundred seven thousand, one hundred forty-four".