15798116601 has 12 divisors (see below), whose sum is σ = 22836043620. Its totient is φ = 10524443040.

The previous prime is 15798116573. The next prime is 15798116617. The reversal of 15798116601 is 10661189751.

15798116601 is a `hidden beast` number, since 1 + 579 + 8 + 1 + 16 + 60 + 1 = 666.

15798116601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2532605625 + 13265510976 = 50325^2 + 115176^2 .

It is not a de Polignac number, because 15798116601 - 2⁵ = 15798116569 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (15798116641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623106 + ... + 647963.

It is an arithmetic number, because the mean of its divisors is an integer number (1903003635).

Almost surely, 2^15798116601 is an apocalyptic number.

It is an amenable number.

15798116601 is a deficient number, since it is larger than the sum of its proper divisors (7037927019).

15798116601 is a wasteful number, since it uses less digits than its factorization.

15798116601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272456 (or 1272453 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 15798116601 in words is "fifteen billion, seven hundred ninety-eight million, one hundred sixteen thousand, six hundred one".