168015983739876 has 240 divisors, whose sum is σ = 449670366129600. Its totient is φ = 54687361704192.

The previous prime is 168015983739871. The next prime is 168015983739911. The reversal of 168015983739876 is 678937389510861.

168015983739876 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 1 + 5 + 98 + 373 + 98 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 168015983739795 and 168015983739804.

It is not an unprimeable number, because it can be changed into a prime (168015983739871) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2331026350 + ... + 2331098426.

It is an arithmetic number, because the mean of its divisors is an integer number (1873626525540).

Almost surely, 2^{168015983739876} 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 168015983739876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224835183064800).

168015983739876 is an abundant number, since it is smaller than the sum of its proper divisors (281654382389724).

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

168015983739876 is a wasteful number, since it uses less digits than its factorization.

168015983739876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72968 (or 72957 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 81.

The spelling of 168015983739876 in words is "one hundred sixty-eight trillion, fifteen billion, nine hundred eighty-three million, seven hundred thirty-nine thousand, eight hundred seventy-six".