16000975 has 6 divisors (see below), whose sum is σ = 19841240. Its totient is φ = 12800760.

The previous prime is 16000973. The next prime is 16000979. The reversal of 16000975 is 57900061.

It is a happy number.

16000975 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 16000975 - 2¹ = 16000973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319995 + ... + 320044.

Almost surely, 2^16000975 is an apocalyptic number.

16000975 is a deficient number, since it is larger than the sum of its proper divisors (3840265).

16000975 is an equidigital number, since it uses as much as digits as its factorization.

16000975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640049 (or 640044 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 16000975 is about 4000.1218731434. The cubic root of 16000975 is about 251.9893283043.

The spelling of 16000975 in words is "sixteen million, nine hundred seventy-five", and thus it is an aban number.