168585453700 has 18 divisors (see below), whose sum is σ = 365830434746. Its totient is φ = 67434181440.

The previous prime is 168585453697. The next prime is 168585453779. The reversal of 168585453700 is 7354585861.

It can be written as a sum of positive squares in 3 ways, for example, as 1469648896 + 167115804804 = 38336^2 + 408798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842927169 + ... + 842927368.

Almost surely, 2^168585453700 is an apocalyptic number.

168585453700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168585453700 is an abundant number, since it is smaller than the sum of its proper divisors (197244981046).

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

168585453700 is a wasteful number, since it uses less digits than its factorization.

168585453700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685854551 (or 1685854544 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 168585453700 in words is "one hundred sixty-eight billion, five hundred eighty-five million, four hundred fifty-three thousand, seven hundred".