68066163 has 40 divisors (see below), whose sum is σ = 112442880. Its totient is φ = 40687920.

The previous prime is 68066107. The next prime is 68066197. The reversal of 68066163 is 36166086.

It is not a de Polignac number, because 68066163 - 2¹⁰ = 68065139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68068163) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69906 + ... + 70872.

It is an arithmetic number, because the mean of its divisors is an integer number (2811072).

Almost surely, 2^68066163 is an apocalyptic number.

68066163 is a deficient number, since it is larger than the sum of its proper divisors (44376717).

68066163 is a wasteful number, since it uses less digits than its factorization.

68066163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68066163 is about 8250.2219970132. The cubic root of 68066163 is about 408.2978469601.

The spelling of 68066163 in words is "sixty-eight million, sixty-six thousand, one hundred sixty-three".