4131026666 has 8 divisors (see below), whose sum is σ = 6673196964. Its totient is φ = 1906627680.

The previous prime is 4131026657. The next prime is 4131026677. The reversal of 4131026666 is 6666201314.

It can be written as a sum of positive squares in 2 ways, for example, as 4130761441 + 265225 = 64271^2 + 515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79442795 + ... + 79442846.

Almost surely, 2^4131026666 is an apocalyptic number.

4131026666 is a deficient number, since it is larger than the sum of its proper divisors (2542170298).

4131026666 is a wasteful number, since it uses less digits than its factorization.

4131026666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158885656.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 4131026666 is about 64273.0633002660. The cubic root of 4131026666 is about 1604.5478248602.

It can be divided in two parts, 41310 and 26666, that added together give a palindrome (67976).

The spelling of 4131026666 in words is "four billion, one hundred thirty-one million, twenty-six thousand, six hundred sixty-six".