16138807275 has 12 divisors (see below), whose sum is σ = 26682828152. Its totient is φ = 8607363840.

The previous prime is 16138807231. The next prime is 16138807331. The reversal of 16138807275 is 57270883161.

It is a happy number.

It is not a de Polignac number, because 16138807275 - 2⁸ = 16138807019 is a prime.

It is a super-2 number, since 2×16138807275² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107591974 + ... + 107592123.

Almost surely, 2^16138807275 is an apocalyptic number.

16138807275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16138807275 is a deficient number, since it is larger than the sum of its proper divisors (10544020877).

16138807275 is a wasteful number, since it uses less digits than its factorization.

16138807275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215184110 (or 215184105 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 16138807275 in words is "sixteen billion, one hundred thirty-eight million, eight hundred seven thousand, two hundred seventy-five".