168728153024 has 112 divisors (see below), whose sum is σ = 367640664768. Its totient is φ = 76503564288.

The previous prime is 168728152963. The next prime is 168728153093. The reversal of 168728153024 is 420351827861.

168728153024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168728153024.

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 15 ways as a sum of consecutive naturals, for example, 4126022 + ... + 4166714.

Almost surely, 2^168728153024 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 168728153024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183820332384).

168728153024 is an abundant number, since it is smaller than the sum of its proper divisors (198912511744).

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

168728153024 is a wasteful number, since it uses less digits than its factorization.

168728153024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40862 (or 40852 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 168728153024 in words is "one hundred sixty-eight billion, seven hundred twenty-eight million, one hundred fifty-three thousand, twenty-four".