1101665061 has 12 divisors (see below), whose sum is σ = 1818621792. Its totient is φ = 629522856.

The previous prime is 1101665041. The next prime is 1101665077. The reversal of 1101665061 is 1605661011.

1101665061 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 6 + 650 + 6 + 1 = 666.

It is not a de Polignac number, because 1101665061 - 2¹⁰ = 1101664037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101665041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8743311 + ... + 8743436.

It is an arithmetic number, because the mean of its divisors is an integer number (151551816).

Almost surely, 2^1101665061 is an apocalyptic number.

It is an amenable number.

1101665061 is a deficient number, since it is larger than the sum of its proper divisors (716956731).

1101665061 is a wasteful number, since it uses less digits than its factorization.

1101665061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486760 (or 17486757 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1101665061 is about 33191.3401507080. The cubic root of 1101665061 is about 1032.8007041960.

The spelling of 1101665061 in words is "one billion, one hundred one million, six hundred sixty-five thousand, sixty-one".