65660800006 has 8 divisors (see below), whose sum is σ = 100586757600. Its totient is φ = 32131880808.

The previous prime is 65660799943. The next prime is 65660800019. The reversal of 65660800006 is 60000806656.

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

It is a super-2 number, since 2×65660800006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349259481 + ... + 349259668.

It is an arithmetic number, because the mean of its divisors is an integer number (12573344700).

Almost surely, 2^65660800006 is an apocalyptic number.

65660800006 is a deficient number, since it is larger than the sum of its proper divisors (34925957594).

65660800006 is a wasteful number, since it uses less digits than its factorization.

65660800006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698519198.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 65660800006 in words is "sixty-five billion, six hundred sixty million, eight hundred thousand, six".