16047975 has 12 divisors (see below), whose sum is σ = 26532776. Its totient is φ = 8558880.

The previous prime is 16047953. The next prime is 16047979. The reversal of 16047975 is 57974061.

It is not a de Polignac number, because 16047975 - 2⁵ = 16047943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16047979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106912 + ... + 107061.

Almost surely, 2^16047975 is an apocalyptic number.

16047975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16047975 is a deficient number, since it is larger than the sum of its proper divisors (10484801).

16047975 is a wasteful number, since it uses less digits than its factorization.

16047975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213986 (or 213981 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 16047975 is about 4005.9923864131. The cubic root of 16047975 is about 252.2358116439.

The spelling of 16047975 in words is "sixteen million, forty-seven thousand, nine hundred seventy-five".