66105235 has 16 divisors (see below), whose sum is σ = 90936576. Its totient is φ = 45190368.

The previous prime is 66105229. The next prime is 66105253. The reversal of 66105235 is 53250166.

It is a cyclic number.

It is not a de Polignac number, because 66105235 - 2⁷ = 66105107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9424 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (5683536).

Almost surely, 2^66105235 is an apocalyptic number.

66105235 is a deficient number, since it is larger than the sum of its proper divisors (24831341).

66105235 is a wasteful number, since it uses less digits than its factorization.

66105235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 66105235 is about 8130.5125914668. The cubic root of 66105235 is about 404.3386758307.

The spelling of 66105235 in words is "sixty-six million, one hundred five thousand, two hundred thirty-five".