665412004063 has 8 divisors (see below), whose sum is σ = 671730422688. Its totient is φ = 659123180544.

The previous prime is 665412004043. The next prime is 665412004093. The reversal of 665412004063 is 360400214566.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665412004063 is a prime.

It is a super-2 number, since 2×665412004063² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665412004003) 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, 7353595 + ... + 7443532.

It is an arithmetic number, because the mean of its divisors is an integer number (83966302836).

Almost surely, 2^665412004063 is an apocalyptic number.

665412004063 is a deficient number, since it is larger than the sum of its proper divisors (6318418625).

665412004063 is a wasteful number, since it uses less digits than its factorization.

665412004063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797553.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 665412004063 in words is "six hundred sixty-five billion, four hundred twelve million, four thousand, sixty-three".