18066048061 has 2 divisors, whose sum is σ = 18066048062. Its totient is φ = 18066048060.

The previous prime is 18066047999. The next prime is 18066048101. The reversal of 18066048061 is 16084066081.

It is an a-pointer prime, because the next prime (18066048101) can be obtained adding 18066048061 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15573542436 + 2492505625 = 124794^2 + 49925^2 .

It is an emirp because it is prime and its reverse (16084066081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18066048061 - 2²¹ = 18063950909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18066048961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033024030 + 9033024031.

It is an arithmetic number, because the mean of its divisors is an integer number (9033024031).

Almost surely, 2^18066048061 is an apocalyptic number.

It is an amenable number.

18066048061 is a deficient number, since it is larger than the sum of its proper divisors (1).

18066048061 is an equidigital number, since it uses as much as digits as its factorization.

18066048061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 18066048061 in words is "eighteen billion, sixty-six million, forty-eight thousand, sixty-one".