168291382900 has 36 divisors (see below), whose sum is σ = 365218374528. Its totient is φ = 67311747040.

The previous prime is 168291382891. The next prime is 168291382901. The reversal of 168291382900 is 9283192861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168291382901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1566717 + ... + 1670683.

It is an arithmetic number, because the mean of its divisors is an integer number (10144954848).

Almost surely, 2^168291382900 is an apocalyptic number.

168291382900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168291382900 is an abundant number, since it is smaller than the sum of its proper divisors (196926991628).

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

168291382900 is a wasteful number, since it uses less digits than its factorization.

168291382900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120168 (or 120161 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 168291382900 in words is "one hundred sixty-eight billion, two hundred ninety-one million, three hundred eighty-two thousand, nine hundred".