1636312112 has 20 divisors (see below), whose sum is σ = 3174241776. Its totient is φ = 817152960.

The previous prime is 1636312063. The next prime is 1636312193. The reversal of 1636312112 is 2112136361.

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, 49148 + ... + 75419.

Almost surely, 2^1636312112 is an apocalyptic number.

It is an amenable number.

1636312112 is a deficient number, since it is larger than the sum of its proper divisors (1537929664).

1636312112 is a wasteful number, since it uses less digits than its factorization.

1636312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125396 (or 125390 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 1636312112 is about 40451.3548846018. The cubic root of 1636312112 is about 1178.3890955266.

Adding to 1636312112 its reverse (2112136361), we get a palindrome (3748448473).

The spelling of 1636312112 in words is "one billion, six hundred thirty-six million, three hundred twelve thousand, one hundred twelve".