168457700 has 18 divisors (see below), whose sum is σ = 365553426. Its totient is φ = 67383040.

The previous prime is 168457699. The next prime is 168457711. The reversal of 168457700 is 7754861.

It can be written as a sum of positive squares in 3 ways, for example, as 2408704 + 166048996 = 1552^2 + 12886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842189 + ... + 842388.

Almost surely, 2^168457700 is an apocalyptic number.

168457700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168457700 is an abundant number, since it is smaller than the sum of its proper divisors (197095726).

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

168457700 is a wasteful number, since it uses less digits than its factorization.

168457700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684591 (or 1684584 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 168457700 is about 12979.1255483565. The cubic root of 168457700 is about 552.2854759794.

The spelling of 168457700 in words is "one hundred sixty-eight million, four hundred fifty-seven thousand, seven hundred".