1992599648 has 192 divisors, whose sum is σ = 4724697600. Its totient is φ = 818380800.

The previous prime is 1992599603. The next prime is 1992599659. The reversal of 1992599648 is 8469952991.

Together with 2732097951 it forms a betrothed pair.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13373078 + ... + 13373226.

It is an arithmetic number, because the mean of its divisors is an integer number (24607800).

Almost surely, 2^1992599648 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 1992599648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362348800).

1992599648 is an abundant number, since it is smaller than the sum of its proper divisors (2732097952).

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

1992599648 is a wasteful number, since it uses less digits than its factorization.

1992599648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 273 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 62.

The square root of 1992599648 is about 44638.5444207134. The cubic root of 1992599648 is about 1258.3651527393.

The spelling of 1992599648 in words is "one billion, nine hundred ninety-two million, five hundred ninety-nine thousand, six hundred forty-eight".