16434421210 has 16 divisors (see below), whose sum is σ = 29763445536. Its totient is φ = 6533437968.

The previous prime is 16434421193. The next prime is 16434421217. The reversal of 16434421210 is 1212443461.

It is not an unprimeable number, because it can be changed into a prime (16434421217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039604 + ... + 5042863.

It is an arithmetic number, because the mean of its divisors is an integer number (1860215346).

Almost surely, 2^16434421210 is an apocalyptic number.

16434421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16434421210 is a deficient number, since it is larger than the sum of its proper divisors (13329024326).

16434421210 is a wasteful number, since it uses less digits than its factorization.

16434421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082637.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 16434421210 its reverse (1212443461), we get a palindrome (17646864671).

The spelling of 16434421210 in words is "sixteen billion, four hundred thirty-four million, four hundred twenty-one thousand, two hundred ten".