168501950 has 48 divisors (see below), whose sum is σ = 323218896. Its totient is φ = 65318400.

The previous prime is 168501941. The next prime is 168501961. The reversal of 168501950 is 59105861.

It is a self number, because there is not a number n which added to its sum of digits gives 168501950.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 388934 + ... + 389366.

It is an arithmetic number, because the mean of its divisors is an integer number (6733727).

Almost surely, 2^168501950 is an apocalyptic number.

168501950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168501950 is a deficient number, since it is larger than the sum of its proper divisors (154716946).

168501950 is a wasteful number, since it uses less digits than its factorization.

168501950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 168501950 is about 12980.8300967234. The cubic root of 168501950 is about 552.3338293500. Note that the first 3 decimals are identical.

The spelling of 168501950 in words is "one hundred sixty-eight million, five hundred one thousand, nine hundred fifty".