666053135 has 16 divisors (see below), whose sum is σ = 900052992. Its totient is φ = 468775200.

The previous prime is 666053123. The next prime is 666053137. The reversal of 666053135 is 531350666.

It is not a de Polignac number, because 666053135 - 2⁶ = 666053071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666053095 and 666053104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666053137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193619 + ... + 197028.

It is an arithmetic number, because the mean of its divisors is an integer number (56253312).

Almost surely, 2^666053135 is an apocalyptic number.

666053135 is a deficient number, since it is larger than the sum of its proper divisors (233999857).

666053135 is a wasteful number, since it uses less digits than its factorization.

666053135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390694.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 666053135 is about 25808.0052503094. The cubic root of 666053135 is about 873.3123978465.

It can be divided in two parts, 6660 and 53135, that added together give a palindrome (59795).

The spelling of 666053135 in words is "six hundred sixty-six million, fifty-three thousand, one hundred thirty-five".