168998466 has 32 divisors (see below), whose sum is σ = 415997568. Its totient is φ = 44570880.

The previous prime is 168998461. The next prime is 168998507. The reversal of 168998466 is 664899861.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168998461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 154215 + ... + 155306.

It is an arithmetic number, because the mean of its divisors is an integer number (12999924).

Almost surely, 2^168998466 is an apocalyptic number.

168998466 is an abundant number, since it is smaller than the sum of its proper divisors (246999102).

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

168998466 is a wasteful number, since it uses less digits than its factorization.

168998466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309546.

The product of its digits is 4478976, while the sum is 57.

The square root of 168998466 is about 12999.9409998661. The cubic root of 168998466 is about 552.8758085540.

The spelling of 168998466 in words is "one hundred sixty-eight million, nine hundred ninety-eight thousand, four hundred sixty-six".