1648818700992 has 224 divisors, whose sum is σ = 5065369600000. Its totient is φ = 531875600640.

The previous prime is 1648818700897. The next prime is 1648818700999. The reversal of 1648818700992 is 2990078188461.

It is not an unprimeable number, because it can be changed into a prime (1648818700999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4149009 + ... + 4529007.

Almost surely, 2^{1648818700992} is an apocalyptic number.

1648818700992 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 1648818700992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532684800000).

1648818700992 is an abundant number, since it is smaller than the sum of its proper divisors (3416550899008).

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

1648818700992 is an frugal number, since it uses more digits than its factorization.

1648818700992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380063 (or 380035 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 1648818700992 in words is "one trillion, six hundred forty-eight billion, eight hundred eighteen million, seven hundred thousand, nine hundred ninety-two".