1630112112 has 120 divisors (see below), whose sum is σ = 4782745968. Its totient is φ = 517708800.

The previous prime is 1630112101. The next prime is 1630112129. The reversal of 1630112112 is 2112110361.

1630112112 is a `hidden beast` number, since 1 + 630 + 1 + 1 + 21 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250662 + ... + 257082.

Almost surely, 2^1630112112 is an apocalyptic number.

1630112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2391372984).

1630112112 is an abundant number, since it is smaller than the sum of its proper divisors (3152633856).

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

1630112112 is a wasteful number, since it uses less digits than its factorization.

1630112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519 (or 6510 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1630112112 is about 40374.6468962888. The cubic root of 1630112112 is about 1176.8989031756.

Adding to 1630112112 its reverse (2112110361), we get a palindrome (3742222473).

The spelling of 1630112112 in words is "one billion, six hundred thirty million, one hundred twelve thousand, one hundred twelve".