168564950 has 12 divisors (see below), whose sum is σ = 313530900. Its totient is φ = 67425960.

The previous prime is 168564931. The next prime is 168564967. The reversal of 168564950 is 59465861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685600 + ... + 1685699.

It is an arithmetic number, because the mean of its divisors is an integer number (26127575).

Almost surely, 2^168564950 is an apocalyptic number.

168564950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168564950 is a deficient number, since it is larger than the sum of its proper divisors (144965950).

168564950 is a wasteful number, since it uses less digits than its factorization.

168564950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371311 (or 3371306 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 168564950 is about 12983.2565252328. The cubic root of 168564950 is about 552.4026568334.

The spelling of 168564950 in words is "one hundred sixty-eight million, five hundred sixty-four thousand, nine hundred fifty".