16138827 has 6 divisors (see below), whose sum is σ = 23311652. Its totient is φ = 10759212.

The previous prime is 16138823. The next prime is 16138841. The reversal of 16138827 is 72883161.

16138827 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16138827 - 2² = 16138823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16138791 and 16138800.

It is not an unprimeable number, because it can be changed into a prime (16138823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896593 + ... + 896610.

Almost surely, 2^16138827 is an apocalyptic number.

16138827 is a deficient number, since it is larger than the sum of its proper divisors (7172825).

16138827 is a wasteful number, since it uses less digits than its factorization.

16138827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793209 (or 1793206 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 16138827 is about 4017.3158949727. The cubic root of 16138827 is about 252.7109083175.

It can be divided in two parts, 1613 and 8827, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 16138827 in words is "sixteen million, one hundred thirty-eight thousand, eight hundred twenty-seven".