16529961100 has 144 divisors (see below), whose sum is σ = 37947571200. Its totient is φ = 6242987520.

The previous prime is 16529961059. The next prime is 16529961139. The reversal of 16529961100 is 116992561.

It is a super-2 number, since 2×16529961100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17986441 + ... + 17987359.

It is an arithmetic number, because the mean of its divisors is an integer number (263524800).

Almost surely, 2^16529961100 is an apocalyptic number.

16529961100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16529961100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18973785600).

16529961100 is an abundant number, since it is smaller than the sum of its proper divisors (21417610100).

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

16529961100 is a wasteful number, since it uses less digits than its factorization.

16529961100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 16529961100 in words is "sixteen billion, five hundred twenty-nine million, nine hundred sixty-one thousand, one hundred".