665016363001 has 4 divisors (see below), whose sum is σ = 667544942592. Its totient is φ = 662487783412.

The previous prime is 665016362981. The next prime is 665016363043. The reversal of 665016363001 is 100363610566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 665016363001 - 2¹³ = 665016354809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665016363061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264289401 + ... + 1264289926.

It is an arithmetic number, because the mean of its divisors is an integer number (166886235648).

Almost surely, 2^665016363001 is an apocalyptic number.

It is an amenable number.

665016363001 is a deficient number, since it is larger than the sum of its proper divisors (2528579591).

665016363001 is a wasteful number, since it uses less digits than its factorization.

665016363001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528579590.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 665016363001 its reverse (100363610566), we get a palindrome (765379973567).

The spelling of 665016363001 in words is "six hundred sixty-five billion, sixteen million, three hundred sixty-three thousand, one".