16434100 has 18 divisors (see below), whose sum is σ = 35662214. Its totient is φ = 6573600.

The previous prime is 16434079. The next prime is 16434101. The reversal of 16434100 is 143461.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1036324 + 15397776 = 1018^2 + 3924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82071 + ... + 82270.

Almost surely, 2^16434100 is an apocalyptic number.

16434100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16434100 is an abundant number, since it is smaller than the sum of its proper divisors (19228114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16434100 is a wasteful number, since it uses less digits than its factorization.

16434100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164355 (or 164348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16434100 is about 4053.8993574089. The cubic root of 16434100 is about 254.2427876751.

Adding to 16434100 its reverse (143461), we get a palindrome (16577561).

The spelling of 16434100 in words is "sixteen million, four hundred thirty-four thousand, one hundred".