168855185050 has 48 divisors (see below), whose sum is σ = 322763047200. Its totient is φ = 65675050560.

The previous prime is 168855185047. The next prime is 168855185159. The reversal of 168855185050 is 50581558861.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2981901 + ... + 3037999.

It is an arithmetic number, because the mean of its divisors is an integer number (6724230150).

Almost surely, 2^168855185050 is an apocalyptic number.

168855185050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168855185050 is a deficient number, since it is larger than the sum of its proper divisors (153907862150).

168855185050 is a wasteful number, since it uses less digits than its factorization.

168855185050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57775 (or 57770 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 52.

The spelling of 168855185050 in words is "one hundred sixty-eight billion, eight hundred fifty-five million, one hundred eighty-five thousand, fifty".