11660617077 has 16 divisors (see below), whose sum is σ = 15852294912. Its totient is φ = 7622147520.

The previous prime is 11660617057. The next prime is 11660617123. The reversal of 11660617077 is 77071606611.

It is not a de Polignac number, because 11660617077 - 2¹⁰ = 11660616053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660617057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42493 + ... + 158514.

It is an arithmetic number, because the mean of its divisors is an integer number (990768432).

Almost surely, 2^11660617077 is an apocalyptic number.

It is an amenable number.

11660617077 is a deficient number, since it is larger than the sum of its proper divisors (4191677835).

11660617077 is a wasteful number, since it uses less digits than its factorization.

11660617077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201388.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 11660617077 in words is "eleven billion, six hundred sixty million, six hundred seventeen thousand, seventy-seven".