1996189152 has 24 divisors (see below), whose sum is σ = 5239996776. Its totient is φ = 665396352.

The previous prime is 1996189141. The next prime is 1996189171. The reversal of 1996189152 is 2519816991.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1996189152² = 7969542261124958208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1996189095 and 1996189104.

It is a congruent number.

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, 10396723 + ... + 10396914.

It is an arithmetic number, because the mean of its divisors is an integer number (218333199).

Almost surely, 2^1996189152 is an apocalyptic number.

1996189152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1996189152 is an abundant number, since it is smaller than the sum of its proper divisors (3243807624).

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

1996189152 is a wasteful number, since it uses less digits than its factorization.

1996189152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793650 (or 20793642 counting only the distinct ones).

The product of its digits is 349920, while the sum is 51.

The square root of 1996189152 is about 44678.7326588389. The cubic root of 1996189152 is about 1259.1203131628.

The spelling of 1996189152 in words is "one billion, nine hundred ninety-six million, one hundred eighty-nine thousand, one hundred fifty-two".