16275385955 has 4 divisors (see below), whose sum is σ = 19530463152. Its totient is φ = 13020308760.

The previous prime is 16275385939. The next prime is 16275385961. The reversal of 16275385955 is 55958357261.

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

It is not a de Polignac number, because 16275385955 - 2⁴ = 16275385939 is a prime.

It is a super-2 number, since 2×16275385955² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16275385955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627538591 + ... + 1627538600.

It is an arithmetic number, because the mean of its divisors is an integer number (4882615788).

Almost surely, 2^16275385955 is an apocalyptic number.

16275385955 is a deficient number, since it is larger than the sum of its proper divisors (3255077197).

16275385955 is an equidigital number, since it uses as much as digits as its factorization.

16275385955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255077196.

The product of its digits is 11340000, while the sum is 56.

The spelling of 16275385955 in words is "sixteen billion, two hundred seventy-five million, three hundred eighty-five thousand, nine hundred fifty-five".