68066541 has 8 divisors (see below), whose sum is σ = 100839360. Its totient is φ = 45377676.

The previous prime is 68066533. The next prime is 68066543. The reversal of 68066541 is 14566086.

It is not a de Polignac number, because 68066541 - 2³ = 68066533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68066496 and 68066505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68066543) 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, 1260465 + ... + 1260518.

It is an arithmetic number, because the mean of its divisors is an integer number (12604920).

Almost surely, 2^68066541 is an apocalyptic number.

It is an amenable number.

68066541 is a deficient number, since it is larger than the sum of its proper divisors (32772819).

68066541 is a wasteful number, since it uses less digits than its factorization.

68066541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520992 (or 2520986 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68066541 is about 8250.2449054558. The cubic root of 68066541 is about 408.2986027752.

The spelling of 68066541 in words is "sixty-eight million, sixty-six thousand, five hundred forty-one".