16138807 has 8 divisors (see below), whose sum is σ = 16354800. Its totient is φ = 15924480.

The previous prime is 16138799. The next prime is 16138823. The reversal of 16138807 is 70883161.

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 16138807 - 2³ = 16138799 is a prime.

It is a super-2 number, since 2×16138807² = 520922182766498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45543 + ... + 45895.

It is an arithmetic number, because the mean of its divisors is an integer number (2044350).

Almost surely, 2^16138807 is an apocalyptic number.

16138807 is a deficient number, since it is larger than the sum of its proper divisors (215993).

16138807 is a wasteful number, since it uses less digits than its factorization.

16138807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 16138807 is about 4017.3134057477. The cubic root of 16138807 is about 252.7108039271.

The spelling of 16138807 in words is "sixteen million, one hundred thirty-eight thousand, eight hundred seven".