168455388052 has 96 divisors (see below), whose sum is σ = 347098752000. Its totient is φ = 70036807680.

The previous prime is 168455388037. The next prime is 168455388053. The reversal of 168455388052 is 250883554861.

It is a junction number, because it is equal to n+sod(n) for n = 168455387984 and 168455388002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168455388053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154404027 + ... + 154405117.

It is an arithmetic number, because the mean of its divisors is an integer number (3615612000).

Almost surely, 2^168455388052 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 168455388052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173549376000).

168455388052 is an abundant number, since it is smaller than the sum of its proper divisors (178643363948).

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

168455388052 is a wasteful number, since it uses less digits than its factorization.

168455388052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 168455388052 in words is "one hundred sixty-eight billion, four hundred fifty-five million, three hundred eighty-eight thousand, fifty-two".