561000167 has 16 divisors (see below), whose sum is σ = 704558400. Its totient is φ = 443864736.

The previous prime is 561000163. The next prime is 561000173. The reversal of 561000167 is 761000165.

561000167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561000167 - 2² = 561000163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561000163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58448 + ... + 67365.

It is an arithmetic number, because the mean of its divisors is an integer number (44034900).

Almost surely, 2^561000167 is an apocalyptic number.

561000167 is a deficient number, since it is larger than the sum of its proper divisors (143558233).

561000167 is a wasteful number, since it uses less digits than its factorization.

561000167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125847 (or 125833 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 561000167 is about 23685.4420900265. The cubic root of 561000167 is about 824.7474792499.

The spelling of 561000167 in words is "five hundred sixty-one million, one hundred sixty-seven", and thus it is an aban number.