361661607103 has 2 divisors, whose sum is σ = 361661607104. Its totient is φ = 361661607102.

The previous prime is 361661607101. The next prime is 361661607149. The reversal of 361661607103 is 301706166163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361661607103 - 2¹ = 361661607101 is a prime.

Together with 361661607101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361661607101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180830803551 + 180830803552.

It is an arithmetic number, because the mean of its divisors is an integer number (180830803552).

Almost surely, 2^361661607103 is an apocalyptic number.

361661607103 is a deficient number, since it is larger than the sum of its proper divisors (1).

361661607103 is an equidigital number, since it uses as much as digits as its factorization.

361661607103 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 361661607103 in words is "three hundred sixty-one billion, six hundred sixty-one million, six hundred seven thousand, one hundred three".