168748546512 has 240 divisors, whose sum is σ = 574859664960. Its totient is φ = 42162591744.

The previous prime is 168748546511. The next prime is 168748546523. The reversal of 168748546512 is 215645847861.

It is a super-2 number, since 2×168748546512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168748546511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435708 + ... + 726180.

It is an arithmetic number, because the mean of its divisors is an integer number (2395248604).

Almost surely, 2^168748546512 is an apocalyptic number.

168748546512 is a gapful number since it is divisible by the number (12) 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 168748546512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287429832480).

168748546512 is an abundant number, since it is smaller than the sum of its proper divisors (406111118448).

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

168748546512 is a wasteful number, since it uses less digits than its factorization.

168748546512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290530 (or 290517 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 168748546512 in words is "one hundred sixty-eight billion, seven hundred forty-eight million, five hundred forty-six thousand, five hundred twelve".