16636006020 has 72 divisors (see below), whose sum is σ = 48242585664. Its totient is φ = 4283280512.

The previous prime is 16636005973. The next prime is 16636006043. The reversal of 16636006020 is 2060063661.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114384 + ... + 215303.

It is an arithmetic number, because the mean of its divisors is an integer number (670035912).

Almost surely, 2^16636006020 is an apocalyptic number.

16636006020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16636006020 is an abundant number, since it is smaller than the sum of its proper divisors (31606579644).

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

16636006020 is a wasteful number, since it uses less digits than its factorization.

16636006020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329757 (or 329726 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 16636006020 its reverse (2060063661), we get a palindrome (18696069681).

The spelling of 16636006020 in words is "sixteen billion, six hundred thirty-six million, six thousand, twenty".