1630189112 has 16 divisors (see below), whose sum is σ = 3057079200. Its totient is φ = 814968000.

The previous prime is 1630189091. The next prime is 1630189117. The reversal of 1630189112 is 2119810361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630189117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60689 + ... + 83327.

It is an arithmetic number, because the mean of its divisors is an integer number (191067450).

Almost surely, 2^1630189112 is an apocalyptic number.

It is an amenable number.

1630189112 is a deficient number, since it is larger than the sum of its proper divisors (1426890088).

1630189112 is a wasteful number, since it uses less digits than its factorization.

1630189112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31646 (or 31642 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1630189112 is about 40375.6004537394. The cubic root of 1630189112 is about 1176.9174335552.

Adding to 1630189112 its reverse (2119810361), we get a palindrome (3749999473).

The spelling of 1630189112 in words is "one billion, six hundred thirty million, one hundred eighty-nine thousand, one hundred twelve".