168395387076 has 240 divisors, whose sum is σ = 513561713280. Its totient is φ = 47314782720.

The previous prime is 168395386933. The next prime is 168395387101. The reversal of 168395387076 is 670783593861.

168395387076 is a `hidden beast` number, since 1 + 68 + 39 + 538 + 7 + 0 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 33616060 + ... + 33621068.

It is an arithmetic number, because the mean of its divisors is an integer number (2139840472).

Almost surely, 2^168395387076 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 168395387076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256780856640).

168395387076 is an abundant number, since it is smaller than the sum of its proper divisors (345166326204).

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

168395387076 is an frugal number, since it uses more digits than its factorization.

168395387076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 168395387076 in words is "one hundred sixty-eight billion, three hundred ninety-five million, three hundred eighty-seven thousand, seventy-six".