665414174242 has 8 divisors (see below), whose sum is σ = 1041517838016. Its totient is φ = 318241561572.

The previous prime is 665414174231. The next prime is 665414174263. The reversal of 665414174242 is 242471414566.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 14465525527 = 665414174242 / (6 + 6 + 5 + 4 + 1 + 4 + 1 + 7 + 4 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 665414174192 and 665414174201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7232762718 + ... + 7232762809.

It is an arithmetic number, because the mean of its divisors is an integer number (130189729752).

Almost surely, 2^665414174242 is an apocalyptic number.

665414174242 is a deficient number, since it is larger than the sum of its proper divisors (376103663774).

665414174242 is a wasteful number, since it uses less digits than its factorization.

665414174242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465525552.

The product of its digits is 1290240, while the sum is 46.

The spelling of 665414174242 in words is "six hundred sixty-five billion, four hundred fourteen million, one hundred seventy-four thousand, two hundred forty-two".