667233113161 has 2 divisors, whose sum is σ = 667233113162. Its totient is φ = 667233113160.

The previous prime is 667233113143. The next prime is 667233113179. The reversal of 667233113161 is 161311332766.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (667233113143) and next prime (667233113179).

It can be written as a sum of positive squares in only one way, i.e., 582657422400 + 84575690761 = 763320^2 + 290819^2 .

It is a cyclic number.

It is not a de Polignac number, because 667233113161 - 2¹¹ = 667233111113 is a prime.

It is not a weakly prime, because it can be changed into another prime (667233183161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333616556580 + 333616556581.

It is an arithmetic number, because the mean of its divisors is an integer number (333616556581).

Almost surely, 2^667233113161 is an apocalyptic number.

It is an amenable number.

667233113161 is a deficient number, since it is larger than the sum of its proper divisors (1).

667233113161 is an equidigital number, since it uses as much as digits as its factorization.

667233113161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The spelling of 667233113161 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred thirteen thousand, one hundred sixty-one".