3646616692057 has 2 divisors, whose sum is σ = 3646616692058. Its totient is φ = 3646616692056.

The previous prime is 3646616692039. The next prime is 3646616692087. The reversal of 3646616692057 is 7502966166463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1969135821081 + 1677480870976 = 1403259^2 + 1295176^2 .

It is a cyclic number.

It is not a de Polignac number, because 3646616692057 - 2¹⁵ = 3646616659289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3646616691986 and 3646616692004.

It is not a weakly prime, because it can be changed into another prime (3646616692087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823308346028 + 1823308346029.

It is an arithmetic number, because the mean of its divisors is an integer number (1823308346029).

Almost surely, 2^{3646616692057} is an apocalyptic number.

It is an amenable number.

3646616692057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646616692057 is an equidigital number, since it uses as much as digits as its factorization.

3646616692057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 61.

The spelling of 3646616692057 in words is "three trillion, six hundred forty-six billion, six hundred sixteen million, six hundred ninety-two thousand, fifty-seven".