660088808845 has 32 divisors (see below), whose sum is σ = 864424068480. Its totient is φ = 482195266560.

The previous prime is 660088808801. The next prime is 660088808879. The reversal of 660088808845 is 548808880066.

It is a de Polignac number, because none of the positive numbers 2^k-660088808845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697624 + ... + 1344193.

It is an arithmetic number, because the mean of its divisors is an integer number (27013252140).

Almost surely, 2^660088808845 is an apocalyptic number.

It is an amenable number.

660088808845 is a deficient number, since it is larger than the sum of its proper divisors (204335259635).

660088808845 is a wasteful number, since it uses less digits than its factorization.

660088808845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041965.

The product of its (nonzero) digits is 23592960, while the sum is 61.

The spelling of 660088808845 in words is "six hundred sixty billion, eighty-eight million, eight hundred eight thousand, eight hundred forty-five".