1356173158068 has 192 divisors, whose sum is σ = 3710596055040. Its totient is φ = 427711017600.

The previous prime is 1356173158051. The next prime is 1356173158159. The reversal of 1356173158068 is 8608513716531.

It is a happy number.

1356173158068 is a `hidden beast` number, since 1 + 3 + 5 + 617 + 3 + 15 + 8 + 0 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166950655 + ... + 166958777.

It is an arithmetic number, because the mean of its divisors is an integer number (19326021120).

Almost surely, 2^{1356173158068} is an apocalyptic number.

1356173158068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356173158068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855298027520).

1356173158068 is an abundant number, since it is smaller than the sum of its proper divisors (2354422896972).

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

1356173158068 is a wasteful number, since it uses less digits than its factorization.

1356173158068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275 (or 9267 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 1356173158068 in words is "one trillion, three hundred fifty-six billion, one hundred seventy-three million, one hundred fifty-eight thousand, sixty-eight".