665412205141 has 8 divisors (see below), whose sum is σ = 666305449920. Its totient is φ = 664519552032.

The previous prime is 665412205109. The next prime is 665412205193. The reversal of 665412205141 is 141502214566.

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 665412205141 - 2⁵ = 665412205109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 665412205141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665412205441) 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, 2126241 + ... + 2419033.

It is an arithmetic number, because the mean of its divisors is an integer number (83288181240).

Almost surely, 2^665412205141 is an apocalyptic number.

It is an amenable number.

665412205141 is a deficient number, since it is larger than the sum of its proper divisors (893244779).

665412205141 is a wasteful number, since it uses less digits than its factorization.

665412205141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295835.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 665412205141 in words is "six hundred sixty-five billion, four hundred twelve million, two hundred five thousand, one hundred forty-one".