168350085 has 12 divisors (see below), whose sum is σ = 291806892. Its totient is φ = 89786688.

The previous prime is 168350081. The next prime is 168350107. The reversal of 168350085 is 580053861.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 38526849 = 11394^2 + 6207^2 .

It is not a de Polignac number, because 168350085 - 2² = 168350081 is a prime.

It is a super-2 number, since 2×168350085² = 56683502239014450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168350081) 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, 1870512 + ... + 1870601.

It is an arithmetic number, because the mean of its divisors is an integer number (24317241).

Almost surely, 2^168350085 is an apocalyptic number.

168350085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168350085 is a deficient number, since it is larger than the sum of its proper divisors (123456807).

168350085 is a wasteful number, since it uses less digits than its factorization.

168350085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741124 (or 3741121 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 168350085 is about 12974.9791907348. The cubic root of 168350085 is about 552.1678463271.

The spelling of 168350085 in words is "one hundred sixty-eight million, three hundred fifty thousand, eighty-five".