168368853700 has 18 divisors (see below), whose sum is σ = 365360412746. Its totient is φ = 67347541440.

The previous prime is 168368853677. The next prime is 168368853703. The reversal of 168368853700 is 7358863861.

It can be written as a sum of positive squares in 3 ways, for example, as 47252325376 + 121116528324 = 217376^2 + 348018^2 .

It is not an unprimeable number, because it can be changed into a prime (168368853703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841844169 + ... + 841844368.

Almost surely, 2^168368853700 is an apocalyptic number.

168368853700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168368853700 is an abundant number, since it is smaller than the sum of its proper divisors (196991559046).

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

168368853700 is a wasteful number, since it uses less digits than its factorization.

168368853700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683688551 (or 1683688544 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 168368853700 in words is "one hundred sixty-eight billion, three hundred sixty-eight million, eight hundred fifty-three thousand, seven hundred".