665482323706 has 4 divisors (see below), whose sum is σ = 998223485562. Its totient is φ = 332741161852.

The previous prime is 665482323641. The next prime is 665482323739. The reversal of 665482323706 is 607323284566.

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

It can be written as a sum of positive squares in only one way, i.e., 620873082025 + 44609241681 = 787955^2 + 211209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166370580925 + ... + 166370580928.

Almost surely, 2^665482323706 is an apocalyptic number.

665482323706 is a deficient number, since it is larger than the sum of its proper divisors (332741161856).

665482323706 is a wasteful number, since it uses less digits than its factorization.

665482323706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332741161855.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 665482323706 in words is "six hundred sixty-five billion, four hundred eighty-two million, three hundred twenty-three thousand, seven hundred six".