11665060166057 has 24 divisors (see below), whose sum is σ = 12319712592264. Its totient is φ = 11043706189824.

The previous prime is 11665060166027. The next prime is 11665060166143. The reversal of 11665060166057 is 75066106056611.

It can be written as a sum of positive squares in 4 ways, for example, as 1437190971241 + 10227869194816 = 1198829^2 + 3198104^2 .

It is not a de Polignac number, because 11665060166057 - 2¹² = 11665060161961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11665060165996 and 11665060166014.

It is not an unprimeable number, because it can be changed into a prime (11665060166027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19823123 + ... + 20403095.

It is an arithmetic number, because the mean of its divisors is an integer number (513321358011).

Almost surely, 2^{11665060166057} is an apocalyptic number.

It is an amenable number.

11665060166057 is a deficient number, since it is larger than the sum of its proper divisors (654652426207).

11665060166057 is a wasteful number, since it uses less digits than its factorization.

11665060166057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580409 (or 580386 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 11665060166057 in words is "eleven trillion, six hundred sixty-five billion, sixty million, one hundred sixty-six thousand, fifty-seven".