68204169 has 24 divisors (see below), whose sum is σ = 107819712. Its totient is φ = 41202720.

The previous prime is 68204141. The next prime is 68204173. The reversal of 68204169 is 96140286.

It is not a de Polignac number, because 68204169 - 2⁵ = 68204137 is a prime.

It is a super-2 number, since 2×68204169² = 9303617337961122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68204179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36004 + ... + 37850.

It is an arithmetic number, because the mean of its divisors is an integer number (4492488).

Almost surely, 2^68204169 is an apocalyptic number.

It is an amenable number.

68204169 is a deficient number, since it is larger than the sum of its proper divisors (39615543).

68204169 is a wasteful number, since it uses less digits than its factorization.

68204169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68204169 is about 8258.5815368016. The cubic root of 68204169 is about 408.5736056776.

The spelling of 68204169 in words is "sixty-eight million, two hundred four thousand, one hundred sixty-nine".