561829928165 has 8 divisors (see below), whose sum is σ = 735486451488. Its totient is φ = 408603584080.

The previous prime is 561829928137. The next prime is 561829928203.

561829928165 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561829928165 - 2¹⁴ = 561829911781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561829928098 and 561829928107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107544747 + ... + 5107544856.

It is an arithmetic number, because the mean of its divisors is an integer number (91935806436).

Almost surely, 2^561829928165 is an apocalyptic number.

561829928165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561829928165 is a deficient number, since it is larger than the sum of its proper divisors (173656523323).

561829928165 is a wasteful number, since it uses less digits than its factorization.

561829928165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215089619.

The product of its digits is 18662400, while the sum is 62.

The spelling of 561829928165 in words is "five hundred sixty-one billion, eight hundred twenty-nine million, nine hundred twenty-eight thousand, one hundred sixty-five".