168183077220396 has 144 divisors (see below), whose sum is σ = 495071408692224. Its totient is φ = 47141662958208.

The previous prime is 168183077220377. The next prime is 168183077220427. The reversal of 168183077220396 is 693022770381861.

168183077220396 is a `hidden beast` number, since 1 + 6 + 8 + 18 + 3 + 0 + 7 + 7 + 220 + 396 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158769121 + ... + 159824903.

It is an arithmetic number, because the mean of its divisors is an integer number (3437995893696).

Almost surely, 2^{168183077220396} 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 168183077220396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247535704346112).

168183077220396 is an abundant number, since it is smaller than the sum of its proper divisors (326888331471828).

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

168183077220396 is a wasteful number, since it uses less digits than its factorization.

168183077220396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067780 (or 1067775 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 168183077220396 in words is "one hundred sixty-eight trillion, one hundred eighty-three billion, seventy-seven million, two hundred twenty thousand, three hundred ninety-six".