16330430625 has 20 divisors (see below), whose sum is σ = 27208677936. Its totient is φ = 8709562000.

The previous prime is 16330430609. The next prime is 16330430647. The reversal of 16330430625 is 52603403361.

It is not a de Polignac number, because 16330430625 - 2⁴ = 16330430609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4352907 + ... + 4356656.

Almost surely, 2^16330430625 is an apocalyptic number.

16330430625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16330430625 is a deficient number, since it is larger than the sum of its proper divisors (10878247311).

16330430625 is an frugal number, since it uses more digits than its factorization.

16330430625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709586 (or 8709571 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 16330430625 its reverse (52603403361), we get a palindrome (68933833986).

The spelling of 16330430625 in words is "sixteen billion, three hundred thirty million, four hundred thirty thousand, six hundred twenty-five".