16430202225 has 36 divisors (see below), whose sum is σ = 29443986000. Its totient is φ = 8758109280.

The previous prime is 16430202193. The next prime is 16430202241. The reversal of 16430202225 is 52220203461.

It is a happy number.

16430202225 is a `hidden beast` number, since 1 + 6 + 430 + 2 + 0 + 2 + 225 = 666.

It is not a de Polignac number, because 16430202225 - 2⁵ = 16430202193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 426826 + ... + 463724.

It is an arithmetic number, because the mean of its divisors is an integer number (817888500).

Almost surely, 2^16430202225 is an apocalyptic number.

16430202225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16430202225 is a deficient number, since it is larger than the sum of its proper divisors (13013783775).

16430202225 is a wasteful number, since it uses less digits than its factorization.

16430202225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894 (or 38886 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 16430202225 its reverse (52220203461), we get a palindrome (68650405686).

The spelling of 16430202225 in words is "sixteen billion, four hundred thirty million, two hundred two thousand, two hundred twenty-five".