1798922011536 has 240 divisors, whose sum is σ = 5643603875520. Its totient is φ = 548339051520.

The previous prime is 1798922011493. The next prime is 1798922011561. The reversal of 1798922011536 is 6351102298971.

It is a happy number.

1798922011536 is a `hidden beast` number, since 1 + 7 + 9 + 8 + 92 + 2 + 0 + 11 + 536 = 666.

It is a super-2 number, since 2×1798922011536² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7696716 + ... + 7926996.

It is an arithmetic number, because the mean of its divisors is an integer number (23515016148).

Almost surely, 2^{1798922011536} is an apocalyptic number.

1798922011536 is a gapful number since it is divisible by the number (16) 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 1798922011536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821801937760).

1798922011536 is an abundant number, since it is smaller than the sum of its proper divisors (3844681863984).

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

1798922011536 is a wasteful number, since it uses less digits than its factorization.

1798922011536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230431 (or 230406 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 1798922011536 in words is "one trillion, seven hundred ninety-eight billion, nine hundred twenty-two million, eleven thousand, five hundred thirty-six".