660121924606 has 8 divisors (see below), whose sum is σ = 990195985800. Its totient is φ = 330056596008.

The previous prime is 660121924603. The next prime is 660121924639. The reversal of 660121924606 is 606429121066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660121924601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990776 + ... + 2298571.

It is an arithmetic number, because the mean of its divisors is an integer number (123774498225).

Almost surely, 2^660121924606 is an apocalyptic number.

660121924606 is a deficient number, since it is larger than the sum of its proper divisors (330074061194).

660121924606 is a wasteful number, since it uses less digits than its factorization.

660121924606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366298.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 660121924606 in words is "six hundred sixty billion, one hundred twenty-one million, nine hundred twenty-four thousand, six hundred six".