66063105 has 24 divisors (see below), whose sum is σ = 121246632. Its totient is φ = 33160704.

The previous prime is 66063097. The next prime is 66063119. The reversal of 66063105 is 50136066.

It can be written as a sum of positive squares in 4 ways, for example, as 18948609 + 47114496 = 4353^2 + 6864^2 .

It is not a de Polignac number, because 66063105 - 2³ = 66063097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42414 + ... + 43943.

It is an arithmetic number, because the mean of its divisors is an integer number (5051943).

Almost surely, 2^66063105 is an apocalyptic number.

It is an amenable number.

66063105 is a deficient number, since it is larger than the sum of its proper divisors (55183527).

66063105 is a wasteful number, since it uses less digits than its factorization.

66063105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86385 (or 86382 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 66063105 is about 8127.9213209775. The cubic root of 66063105 is about 404.2527602521.

The spelling of 66063105 in words is "sixty-six million, sixty-three thousand, one hundred five".