16000011 has 20 divisors (see below), whose sum is σ = 24358752. Its totient is φ = 10462608.

The previous prime is 15999989. The next prime is 16000057. The reversal of 16000011 is 11000061.

It is not a de Polignac number, because 16000011 - 2⁷ = 15999883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 15999957 and 16000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2430 + ... + 6156.

Almost surely, 2^16000011 is an apocalyptic number.

16000011 is a deficient number, since it is larger than the sum of its proper divisors (8358741).

16000011 is an equidigital number, since it uses as much as digits as its factorization.

16000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 16000011 is about 4000.0013749998. The cubic root of 16000011 is about 251.9842677253.

Adding to 16000011 its reverse (11000061), we get a palindrome (27000072).

The spelling of 16000011 in words is "sixteen million, eleven", and thus it is an aban number and an uban number.