660562106 has 4 divisors (see below), whose sum is σ = 990843162. Its totient is φ = 330281052.

The previous prime is 660562099. The next prime is 660562121. The reversal of 660562106 is 601265066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601265066 = 2 ⋅300632533.

It can be written as a sum of positive squares in only one way, i.e., 607869025 + 52693081 = 24655^2 + 7259^2 .

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, 165140525 + ... + 165140528.

Almost surely, 2^660562106 is an apocalyptic number.

660562106 is a deficient number, since it is larger than the sum of its proper divisors (330281056).

660562106 is a wasteful number, since it uses less digits than its factorization.

660562106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330281055.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 660562106 is about 25701.4028021818. The cubic root of 660562106 is about 870.9058719691.

Adding to 660562106 its product of nonzero digits (12960), we get a palindrome (660575066).

The spelling of 660562106 in words is "six hundred sixty million, five hundred sixty-two thousand, one hundred six".