16534220100 has 72 divisors (see below), whose sum is σ = 47870352768. Its totient is φ = 4406236800.

The previous prime is 16534220083. The next prime is 16534220107. The reversal of 16534220100 is 102243561.

It is not an unprimeable number, because it can be changed into a prime (16534220107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461845 + ... + 496355.

Almost surely, 2^16534220100 is an apocalyptic number.

16534220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16534220100 is an abundant number, since it is smaller than the sum of its proper divisors (31336132668).

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

16534220100 is a wasteful number, since it uses less digits than its factorization.

16534220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36125 (or 36118 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 16534220100 its reverse (102243561), we get a palindrome (16636463661).

The spelling of 16534220100 in words is "sixteen billion, five hundred thirty-four million, two hundred twenty thousand, one hundred".