105604256602 has 24 divisors (see below), whose sum is σ = 172417664124. Its totient is φ = 48487855104.

The previous prime is 105604256531. The next prime is 105604256621. The reversal of 105604256602 is 206652406501.

It can be written as a sum of positive squares in 6 ways, for example, as 4830389001 + 100773867601 = 69501^2 + 317449^2 .

It is a super-2 number, since 2×105604256602² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744193 + ... + 874660.

Almost surely, 2^105604256602 is an apocalyptic number.

105604256602 is a deficient number, since it is larger than the sum of its proper divisors (66813407522).

105604256602 is a wasteful number, since it uses less digits than its factorization.

105604256602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619074 (or 1619061 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 105604256602 in words is "one hundred five billion, six hundred four million, two hundred fifty-six thousand, six hundred two".