561167338895 has 8 divisors (see below), whose sum is σ = 691600828704. Its totient is φ = 436800523104.

The previous prime is 561167338877. The next prime is 561167338937. The reversal of 561167338895 is 598833761165.

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

It is a cyclic number.

It is not a de Polignac number, because 561167338895 - 2¹² = 561167334799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1516668299 + ... + 1516668668.

It is an arithmetic number, because the mean of its divisors is an integer number (86450103588).

Almost surely, 2^561167338895 is an apocalyptic number.

561167338895 is a deficient number, since it is larger than the sum of its proper divisors (130433489809).

561167338895 is a wasteful number, since it uses less digits than its factorization.

561167338895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033337009.

The product of its digits is 32659200, while the sum is 62.

The spelling of 561167338895 in words is "five hundred sixty-one billion, one hundred sixty-seven million, three hundred thirty-eight thousand, eight hundred ninety-five".