665050676629 has 16 divisors (see below), whose sum is σ = 741271106880. Its totient is φ = 592955838720.

The previous prime is 665050676621. The next prime is 665050676639. The reversal of 665050676629 is 926676050566.

It is a cyclic number.

It is not a de Polignac number, because 665050676629 - 2³ = 665050676621 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 (665050676621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8235402 + ... + 8315764.

It is an arithmetic number, because the mean of its divisors is an integer number (46329444180).

Almost surely, 2^665050676629 is an apocalyptic number.

It is an amenable number.

665050676629 is a deficient number, since it is larger than the sum of its proper divisors (76220430251).

665050676629 is a wasteful number, since it uses less digits than its factorization.

665050676629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106020.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 665050676629 in words is "six hundred sixty-five billion, fifty million, six hundred seventy-six thousand, six hundred twenty-nine".