1636575052 has 24 divisors (see below), whose sum is σ = 3275306496. Its totient is φ = 700927248.

The previous prime is 1636575037. The next prime is 1636575053. The reversal of 1636575052 is 2505756361.

It is a junction number, because it is equal to n+sod(n) for n = 1636574996 and 1636575014.

It is not an unprimeable number, because it can be changed into a prime (1636575053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25863 + ... + 62785.

It is an arithmetic number, because the mean of its divisors is an integer number (136471104).

Almost surely, 2^1636575052 is an apocalyptic number.

It is an amenable number.

1636575052 is an abundant number, since it is smaller than the sum of its proper divisors (1638731444).

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

1636575052 is a wasteful number, since it uses less digits than its factorization.

1636575052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38517 (or 38515 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 1636575052 is about 40454.6048305999. The cubic root of 1636575052 is about 1178.4522108356.

The spelling of 1636575052 in words is "one billion, six hundred thirty-six million, five hundred seventy-five thousand, fifty-two".