16428225255 has 32 divisors (see below), whose sum is σ = 28317219840. Its totient is φ = 8084849280.

The previous prime is 16428225251. The next prime is 16428225263. The reversal of 16428225255 is 55252282461.

It is a happy number.

It is not a de Polignac number, because 16428225255 - 2² = 16428225251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428225251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594700 + ... + 621710.

It is an arithmetic number, because the mean of its divisors is an integer number (884913120).

Almost surely, 2^16428225255 is an apocalyptic number.

16428225255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16428225255 is a deficient number, since it is larger than the sum of its proper divisors (11888994585).

16428225255 is a wasteful number, since it uses less digits than its factorization.

16428225255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30151.

The product of its digits is 384000, while the sum is 42.

The spelling of 16428225255 in words is "sixteen billion, four hundred twenty-eight million, two hundred twenty-five thousand, two hundred fifty-five".