68066196 has 24 divisors (see below), whose sum is σ = 173259744. Its totient is φ = 20626080.

The previous prime is 68066107. The next prime is 68066197. The reversal of 68066196 is 69166086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68066197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257695 + ... + 257958.

It is an arithmetic number, because the mean of its divisors is an integer number (7219156).

Almost surely, 2^68066196 is an apocalyptic number.

68066196 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68066196 is an abundant number, since it is smaller than the sum of its proper divisors (105193548).

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

68066196 is a wasteful number, since it uses less digits than its factorization.

68066196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515671 (or 515669 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 68066196 is about 8250.2239969591. The cubic root of 68066196 is about 408.2979129441.

The spelling of 68066196 in words is "sixty-eight million, sixty-six thousand, one hundred ninety-six".