168535353500 has 48 divisors (see below), whose sum is σ = 368125447872. Its totient is φ = 67406040000.

The previous prime is 168535353443. The next prime is 168535353521. The reversal of 168535353500 is 5353535861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5836097 + ... + 5864903.

It is an arithmetic number, because the mean of its divisors is an integer number (7669280164).

Almost surely, 2^168535353500 is an apocalyptic number.

168535353500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168535353500 is an abundant number, since it is smaller than the sum of its proper divisors (199590094372).

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

168535353500 is a wasteful number, since it uses less digits than its factorization.

168535353500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40527 (or 40515 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 168535353500 in words is "one hundred sixty-eight billion, five hundred thirty-five million, three hundred fifty-three thousand, five hundred".