16000007 has 4 divisors (see below), whose sum is σ = 16011720. Its totient is φ = 15988296.

The previous prime is 15999989. The next prime is 16000057. The reversal of 16000007 is 70000061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16000007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15999955 and 16000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3488 + ... + 6645.

It is an arithmetic number, because the mean of its divisors is an integer number (4002930).

Almost surely, 2^16000007 is an apocalyptic number.

16000007 is a deficient number, since it is larger than the sum of its proper divisors (11713).

16000007 is a wasteful number, since it uses less digits than its factorization.

16000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 16000007 is about 4000.0008749999. Note that the first 3 decimals coincide. The cubic root of 16000007 is about 251.9842467267.

Adding to 16000007 its reverse (70000061), we get a palindrome (86000068).

The spelling of 16000007 in words is "sixteen million, seven", and thus it is an aban number and an uban number.