16640192 has 14 divisors (see below), whose sum is σ = 33020508. Its totient is φ = 8320064.

The previous prime is 16640191. The next prime is 16640207. The reversal of 16640192 is 29104661.

It is not an unprimeable number, because it can be changed into a prime (16640191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129938 + ... + 130065.

Almost surely, 2^16640192 is an apocalyptic number.

It is an amenable number.

16640192 is a deficient number, since it is larger than the sum of its proper divisors (16380316).

16640192 is an equidigital number, since it uses as much as digits as its factorization.

16640192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260015 (or 260005 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 16640192 is about 4079.2391447426. The cubic root of 16640192 is about 255.3011538744.

The spelling of 16640192 in words is "sixteen million, six hundred forty thousand, one hundred ninety-two".