1992566912 has 128 divisors (see below), whose sum is σ = 4888166400. Its totient is φ = 790225920.

The previous prime is 1992566899. The next prime is 1992566963. The reversal of 1992566912 is 2196652991.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637289 + ... + 640407.

It is an arithmetic number, because the mean of its divisors is an integer number (38188800).

Almost surely, 2^1992566912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992566912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2444083200).

1992566912 is an abundant number, since it is smaller than the sum of its proper divisors (2895599488).

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

1992566912 is a wasteful number, since it uses less digits than its factorization.

1992566912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3182 counting only the distinct ones).

The product of its digits is 524880, while the sum is 50.

The square root of 1992566912 is about 44638.1777405843. The cubic root of 1992566912 is about 1258.3582615629.

The spelling of 1992566912 in words is "one billion, nine hundred ninety-two million, five hundred sixty-six thousand, nine hundred twelve".