4066172235 has 72 divisors (see below), whose sum is σ = 7612800624. Its totient is φ = 2006363520.

The previous prime is 4066172219. The next prime is 4066172237. The reversal of 4066172235 is 5322716604.

4066172235 is a `hidden beast` number, since 4 + 0 + 6 + 617 + 2 + 2 + 35 = 666.

It is not a de Polignac number, because 4066172235 - 2⁴ = 4066172219 is a prime.

It is a super-3 number, since 3×4066172235³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4066172235.

It is not an unprimeable number, because it can be changed into a prime (4066172237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 695625 + ... + 701445.

It is an arithmetic number, because the mean of its divisors is an integer number (105733342).

Almost surely, 2^4066172235 is an apocalyptic number.

4066172235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4066172235 is a deficient number, since it is larger than the sum of its proper divisors (3546628389).

4066172235 is a wasteful number, since it uses less digits than its factorization.

4066172235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 4066172235 is about 63766.5447942728. The cubic root of 4066172235 is about 1596.1067105521.

Adding to 4066172235 its reverse (5322716604), we get a palindrome (9388888839).

It can be divided in two parts, 40661 and 72235, that added together give a square (112896 = 336²).

The spelling of 4066172235 in words is "four billion, sixty-six million, one hundred seventy-two thousand, two hundred thirty-five".