11660661601008 has 160 divisors (see below), whose sum is σ = 36240499507200. Its totient is φ = 3156108012288.

The previous prime is 11660661600983. The next prime is 11660661601079. The reversal of 11660661601008 is 80010616606611.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 178202185 + ... + 178267607.

It is an arithmetic number, because the mean of its divisors is an integer number (226503121920).

Almost surely, 2^{11660661601008} is an apocalyptic number.

It is an amenable number.

11660661601008 is an abundant number, since it is smaller than the sum of its proper divisors (24579837906192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11660661601008 is a wasteful number, since it uses less digits than its factorization.

11660661601008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93379 (or 93373 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 11660661601008 in words is "eleven trillion, six hundred sixty billion, six hundred sixty-one million, six hundred one thousand, eight".