16940011 has 8 divisors (see below), whose sum is σ = 18931248. Its totient is φ = 15024000.

The previous prime is 16940009. The next prime is 16940057. The reversal of 16940011 is 11004961.

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 16940011 - 2¹ = 16940009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16940071) 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, 18330 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (2366406).

Almost surely, 2^16940011 is an apocalyptic number.

16940011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16940011 is a deficient number, since it is larger than the sum of its proper divisors (1991237).

16940011 is a wasteful number, since it uses less digits than its factorization.

16940011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37613.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 16940011 is about 4115.8244617573. The cubic root of 16940011 is about 256.8253543530.

Adding to 16940011 its reverse (11004961), we get a palindrome (27944972).

The spelling of 16940011 in words is "sixteen million, nine hundred forty thousand, eleven".