16011897 has 8 divisors (see below), whose sum is σ = 23290080. Its totient is φ = 9704160.

The previous prime is 16011847. The next prime is 16011911. The reversal of 16011897 is 79811061.

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

It is not a de Polignac number, because 16011897 - 2⁷ = 16011769 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 485209 = 16011897 / (1 + 6 + 0 + 1 + 1 + 8 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (16011847) 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 7 ways as a sum of consecutive naturals, for example, 242572 + ... + 242637.

It is an arithmetic number, because the mean of its divisors is an integer number (2911260).

Almost surely, 2^16011897 is an apocalyptic number.

It is an amenable number.

16011897 is a deficient number, since it is larger than the sum of its proper divisors (7278183).

16011897 is a wasteful number, since it uses less digits than its factorization.

16011897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485223.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 16011897 is about 4001.4868486601. The cubic root of 16011897 is about 252.0466498419.

The spelling of 16011897 in words is "sixteen million, eleven thousand, eight hundred ninety-seven".