562161678 has 64 divisors (see below), whose sum is σ = 1286736192. Its totient is φ = 162201600.

The previous prime is 562161673. The next prime is 562161679. The reversal of 562161678 is 876161265.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562161673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467478 + ... + 468678.

It is an arithmetic number, because the mean of its divisors is an integer number (20105253).

Almost surely, 2^562161678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 562161678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643368096).

562161678 is an abundant number, since it is smaller than the sum of its proper divisors (724574514).

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

562161678 is a wasteful number, since it uses less digits than its factorization.

562161678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its digits is 120960, while the sum is 42.

The square root of 562161678 is about 23709.9489244494. The cubic root of 562161678 is about 825.3162805684.

The spelling of 562161678 in words is "five hundred sixty-two million, one hundred sixty-one thousand, six hundred seventy-eight".