36666670036657 has 2 divisors, whose sum is σ = 36666670036658. Its totient is φ = 36666670036656.

The previous prime is 36666670036543. The next prime is 36666670036673. The reversal of 36666670036657 is 75663007666663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32424095854656 + 4242574182001 = 5694216^2 + 2059751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36666670036657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36666670036592 and 36666670036601.

It is not a weakly prime, because it can be changed into another prime (36666670036057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333335018328 + 18333335018329.

It is an arithmetic number, because the mean of its divisors is an integer number (18333335018329).

Almost surely, 2^{36666670036657} is an apocalyptic number.

It is an amenable number.

36666670036657 is a deficient number, since it is larger than the sum of its proper divisors (1).

36666670036657 is an equidigital number, since it uses as much as digits as its factorization.

36666670036657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 67.

The spelling of 36666670036657 in words is "thirty-six trillion, six hundred sixty-six billion, six hundred seventy million, thirty-six thousand, six hundred fifty-seven".