100001720064 has 36 divisors (see below), whose sum is σ = 266150413256. Its totient is φ = 33333906432.

The previous prime is 100001720009. The next prime is 100001720087. The reversal of 100001720064 is 460027100001.

It is a self number, because there is not a number n which added to its sum of digits gives 100001720064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65104519 + ... + 65106054.

Almost surely, 2^100001720064 is an apocalyptic number.

It is an amenable number.

100001720064 is an abundant number, since it is smaller than the sum of its proper divisors (166148693192).

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

100001720064 is an equidigital number, since it uses as much as digits as its factorization.

100001720064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130210592 (or 130210578 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 100001720064 its reverse (460027100001), we get a palindrome (560028820065).

The spelling of 100001720064 in words is "one hundred billion, one million, seven hundred twenty thousand, sixty-four".