66006105 has 48 divisors (see below), whose sum is σ = 119048832. Its totient is φ = 31187200.

The previous prime is 66006103. The next prime is 66006107. The reversal of 66006105 is 50160066.

It is an interprime number because it is at equal distance from previous prime (66006103) and next prime (66006107).

It is not a de Polignac number, because 66006105 - 2¹ = 66006103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66006103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73972 + ... + 74858.

It is an arithmetic number, because the mean of its divisors is an integer number (2480184).

Almost surely, 2^66006105 is an apocalyptic number.

It is an amenable number.

66006105 is a deficient number, since it is larger than the sum of its proper divisors (53042727).

66006105 is a wasteful number, since it uses less digits than its factorization.

66006105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 66006105 is about 8124.4141327237. The cubic root of 66006105 is about 404.1364621681.

The spelling of 66006105 in words is "sixty-six million, six thousand, one hundred five".