666084753 has 6 divisors (see below), whose sum is σ = 962122434. Its totient is φ = 444056496.

The previous prime is 666084751. The next prime is 666084763. The reversal of 666084753 is 357480666.

It can be written as a sum of positive squares in only one way, i.e., 370485504 + 295599249 = 19248^2 + 17193^2 .

It is not a de Polignac number, because 666084753 - 2¹ = 666084751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666084699 and 666084708.

It is not an unprimeable number, because it can be changed into a prime (666084751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37004700 + ... + 37004717.

It is an arithmetic number, because the mean of its divisors is an integer number (160353739).

Almost surely, 2^666084753 is an apocalyptic number.

It is an amenable number.

666084753 is a deficient number, since it is larger than the sum of its proper divisors (296037681).

666084753 is a wasteful number, since it uses less digits than its factorization.

666084753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74009423 (or 74009420 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 666084753 is about 25808.6178049116. The cubic root of 666084753 is about 873.3262165410.

The spelling of 666084753 in words is "six hundred sixty-six million, eighty-four thousand, seven hundred fifty-three".