16081047 has 12 divisors (see below), whose sum is σ = 23383984. Its totient is φ = 10648800.

The previous prime is 16081027. The next prime is 16081111. The reversal of 16081047 is 74018061.

It is a happy number.

16081047 is a `hidden beast` number, since 1 + 608 + 10 + 47 = 666.

It is not a de Polignac number, because 16081047 - 2⁶ = 16080983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16081047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16081027) 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 in 11 ways as a sum of consecutive naturals, for example, 4558 + ... + 7275.

Almost surely, 2^16081047 is an apocalyptic number.

16081047 is a deficient number, since it is larger than the sum of its proper divisors (7302937).

16081047 is a wasteful number, since it uses less digits than its factorization.

16081047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990 (or 11987 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16081047 is about 4010.1180780620. The cubic root of 16081047 is about 252.4089636853.

The spelling of 16081047 in words is "sixteen million, eighty-one thousand, forty-seven".