660564046 has 8 divisors (see below), whose sum is σ = 990996120. Its totient is φ = 330232008.

The previous prime is 660564041. The next prime is 660564101. The reversal of 660564046 is 640465066.

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

It is a junction number, because it is equal to n+sod(n) for n = 660563996 and 660564014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660564041) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5436 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (123874515).

Almost surely, 2^660564046 is an apocalyptic number.

660564046 is a deficient number, since it is larger than the sum of its proper divisors (330432074).

660564046 is a wasteful number, since it uses less digits than its factorization.

660564046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50018.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 660564046 is about 25701.4405432847. The cubic root of 660564046 is about 870.9067245539.

The spelling of 660564046 in words is "six hundred sixty million, five hundred sixty-four thousand, forty-six".