665041130407 has 8 divisors (see below), whose sum is σ = 675102370176. Its totient is φ = 654983868792.

The previous prime is 665041130389. The next prime is 665041130437. The reversal of 665041130407 is 704031140566.

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

It is a cyclic number.

It is not a de Polignac number, because 665041130407 - 2¹¹ = 665041128359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665041130437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656803 + ... + 1327204.

It is an arithmetic number, because the mean of its divisors is an integer number (84387796272).

Almost surely, 2^665041130407 is an apocalyptic number.

665041130407 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

665041130407 is a deficient number, since it is larger than the sum of its proper divisors (10061239769).

665041130407 is a wasteful number, since it uses less digits than its factorization.

665041130407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989077.

The product of its (nonzero) digits is 60480, while the sum is 37.

It can be divided in two parts, 66504 and 1130407, that added together give a palindrome (1196911).

The spelling of 665041130407 in words is "six hundred sixty-five billion, forty-one million, one hundred thirty thousand, four hundred seven".