253644625606 has 8 divisors (see below), whose sum is σ = 380481762024. Its totient is φ = 126817371600.

The previous prime is 253644625579. The next prime is 253644625657. The reversal of 253644625606 is 606526446352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 253644625606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406100 + ... + 2509303.

It is an arithmetic number, because the mean of its divisors is an integer number (47560220253).

Almost surely, 2^253644625606 is an apocalyptic number.

253644625606 is a deficient number, since it is larger than the sum of its proper divisors (126837136418).

253644625606 is a wasteful number, since it uses less digits than its factorization.

253644625606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941206.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 253644625606 in words is "two hundred fifty-three billion, six hundred forty-four million, six hundred twenty-five thousand, six hundred six".