168389896430 has 64 divisors (see below), whose sum is σ = 352968789888. Its totient is φ = 56647434240.

The previous prime is 168389896393. The next prime is 168389896447. The reversal of 168389896430 is 34698983861.

It is a super-2 number, since 2×168389896430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900860 + ... + 1071600.

It is an arithmetic number, because the mean of its divisors is an integer number (5515137342).

Almost surely, 2^168389896430 is an apocalyptic number.

168389896430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168389896430 is an abundant number, since it is smaller than the sum of its proper divisors (184578893458).

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

168389896430 is a wasteful number, since it uses less digits than its factorization.

168389896430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171021.

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 168389896430 in words is "one hundred sixty-eight billion, three hundred eighty-nine million, eight hundred ninety-six thousand, four hundred thirty".