168728248902530 has 16 divisors (see below), whose sum is σ = 304180262020800. Its totient is φ = 67386985339632.

The previous prime is 168728248902523. The next prime is 168728248902593. The reversal of 168728248902530 is 35209842827861.

168728248902530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168728248902530² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13039270880 + ... + 13039283819.

It is an arithmetic number, because the mean of its divisors is an integer number (19011266376300).

It is a 1-persistent number, because it is pandigital, but 2⋅168728248902530 = 337456497805060 is not.

Almost surely, 2^{168728248902530} is an apocalyptic number.

168728248902530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168728248902530 is a deficient number, since it is larger than the sum of its proper divisors (135452013118270).

168728248902530 is a wasteful number, since it uses less digits than its factorization.

168728248902530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26078555353.

The product of its (nonzero) digits is 92897280, while the sum is 65.

The spelling of 168728248902530 in words is "one hundred sixty-eight trillion, seven hundred twenty-eight billion, two hundred forty-eight million, nine hundred two thousand, five hundred thirty".