1798278966120 has 512 divisors, whose sum is σ = 6812099481600. Its totient is φ = 369697333248.

The previous prime is 1798278966097. The next prime is 1798278966131. The reversal of 1798278966120 is 216698728971.

It is a super-2 number, since 2×1798278966120² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66150691 + ... + 66177869.

It is an arithmetic number, because the mean of its divisors is an integer number (13304881800).

Almost surely, 2^{1798278966120} is an apocalyptic number.

1798278966120 is a gapful number since it is divisible by the number (10) 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 1798278966120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406049740800).

1798278966120 is an abundant number, since it is smaller than the sum of its proper divisors (5013820515480).

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

1798278966120 is a wasteful number, since it uses less digits than its factorization.

1798278966120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27369 (or 27365 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 1798278966120 in words is "one trillion, seven hundred ninety-eight billion, two hundred seventy-eight million, nine hundred sixty-six thousand, one hundred twenty".