665523062 has 4 divisors (see below), whose sum is σ = 998284596. Its totient is φ = 332761530.

The previous prime is 665523031. The next prime is 665523071. The reversal of 665523062 is 260325566.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166380764 + ... + 166380767.

It is an arithmetic number, because the mean of its divisors is an integer number (249571149).

Almost surely, 2^665523062 is an apocalyptic number.

665523062 is a deficient number, since it is larger than the sum of its proper divisors (332761534).

665523062 is a wasteful number, since it uses less digits than its factorization.

665523062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332761533.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 665523062 is about 25797.7336601493. The cubic root of 665523062 is about 873.0806634917.

The spelling of 665523062 in words is "six hundred sixty-five million, five hundred twenty-three thousand, sixty-two".