16040811 has 8 divisors (see below), whose sum is σ = 21409344. Its totient is φ = 10683080.

The previous prime is 16040803. The next prime is 16040831. The reversal of 16040811 is 11804061.

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

It is a cyclic number.

It is not a de Polignac number, because 16040811 - 2³ = 16040803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16040831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (2676168).

Almost surely, 2^16040811 is an apocalyptic number.

16040811 is a deficient number, since it is larger than the sum of its proper divisors (5368533).

16040811 is a wasteful number, since it uses less digits than its factorization.

16040811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 16040811 is about 4005.0981261387. The cubic root of 16040811 is about 252.1982724048.

Adding to 16040811 its reverse (11804061), we get a palindrome (27844872).

The spelling of 16040811 in words is "sixteen million, forty thousand, eight hundred eleven".