1995146112 has 128 divisors (see below), whose sum is σ = 5792947200. Its totient is φ = 605675520.

The previous prime is 1995146057. The next prime is 1995146177. The reversal of 1995146112 is 2116415991.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197439 + ... + 207297.

It is an arithmetic number, because the mean of its divisors is an integer number (45257400).

Almost surely, 2^1995146112 is an apocalyptic number.

1995146112 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 1995146112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896473600).

1995146112 is an abundant number, since it is smaller than the sum of its proper divisors (3797801088).

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

1995146112 is a wasteful number, since it uses less digits than its factorization.

1995146112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924 (or 9912 counting only the distinct ones).

The product of its digits is 19440, while the sum is 39.

The square root of 1995146112 is about 44667.0584659433. The cubic root of 1995146112 is about 1258.9009716141.

The spelling of 1995146112 in words is "one billion, nine hundred ninety-five million, one hundred forty-six thousand, one hundred twelve".