168001533030156 has 288 divisors, whose sum is σ = 489524333276160. Its totient is φ = 43829643027456.

The previous prime is 168001533030109. The next prime is 168001533030217. The reversal of 168001533030156 is 651030335100861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139580890 + ... + 140779358.

It is an arithmetic number, because the mean of its divisors is an integer number (1699737268320).

Almost surely, 2^{168001533030156} 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 168001533030156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244762166638080).

168001533030156 is an abundant number, since it is smaller than the sum of its proper divisors (321522800246004).

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

168001533030156 is a wasteful number, since it uses less digits than its factorization.

168001533030156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198633 (or 1198594 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 168001533030156 in words is "one hundred sixty-eight trillion, one billion, five hundred thirty-three million, thirty thousand, one hundred fifty-six".