168744067552 has 48 divisors (see below), whose sum is σ = 334756800000. Its totient is φ = 83728408960.

The previous prime is 168744067549. The next prime is 168744067553. The reversal of 168744067552 is 255760447861.

It is a junction number, because it is equal to n+sod(n) for n = 168744067493 and 168744067502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168744067553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782449 + ... + 2842447.

It is an arithmetic number, because the mean of its divisors is an integer number (6974100000).

Almost surely, 2^168744067552 is an apocalyptic number.

It is an amenable number.

168744067552 is a deficient number, since it is larger than the sum of its proper divisors (166012732448).

168744067552 is a wasteful number, since it uses less digits than its factorization.

168744067552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60679 (or 60671 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 168744067552 in words is "one hundred sixty-eight billion, seven hundred forty-four million, sixty-seven thousand, five hundred fifty-two".