168023251660 has 48 divisors (see below), whose sum is σ = 385004632320. Its totient is φ = 61086882240.

The previous prime is 168023251639. The next prime is 168023251673. The reversal of 168023251660 is 66152320861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037497 + ... + 1188463.

It is an arithmetic number, because the mean of its divisors is an integer number (8020929840).

Almost surely, 2^168023251660 is an apocalyptic number.

168023251660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168023251660 is an abundant number, since it is smaller than the sum of its proper divisors (216981380660).

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

168023251660 is a wasteful number, since it uses less digits than its factorization.

168023251660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156046 (or 156044 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 168023251660 in words is "one hundred sixty-eight billion, twenty-three million, two hundred fifty-one thousand, six hundred sixty".