67225600581 has 32 divisors (see below), whose sum is σ = 96602803200. Its totient is φ = 41428258560.

The previous prime is 67225600573. The next prime is 67225600597. The reversal of 67225600581 is 18500652276.

It is not a de Polignac number, because 67225600581 - 2³ = 67225600573 is a prime.

It is a super-2 number, since 2×67225600581² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67225600571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514000 + ... + 3533078.

It is an arithmetic number, because the mean of its divisors is an integer number (3018837600).

Almost surely, 2^67225600581 is an apocalyptic number.

It is an amenable number.

67225600581 is a deficient number, since it is larger than the sum of its proper divisors (29377202619).

67225600581 is a wasteful number, since it uses less digits than its factorization.

67225600581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20329.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 67225600581 in words is "sixty-seven billion, two hundred twenty-five million, six hundred thousand, five hundred eighty-one".