16320146 has 8 divisors (see below), whose sum is σ = 24617520. Its totient is φ = 8114308.

The previous prime is 16320137. The next prime is 16320149. The reversal of 16320146 is 64102361.

It is a happy number.

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

It is a super-2 number, since 2×16320146² = 532694330922632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16320149) 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 in 3 ways as a sum of consecutive naturals, for example, 22436 + ... + 23151.

It is an arithmetic number, because the mean of its divisors is an integer number (3077190).

Almost surely, 2^16320146 is an apocalyptic number.

16320146 is a deficient number, since it is larger than the sum of its proper divisors (8297374).

16320146 is a wasteful number, since it uses less digits than its factorization.

16320146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45768.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16320146 is about 4039.8200454971. The cubic root of 16320146 is about 253.6537846131.

The spelling of 16320146 in words is "sixteen million, three hundred twenty thousand, one hundred forty-six".