361645667 has 2 divisors, whose sum is σ = 361645668. Its totient is φ = 361645666.

The previous prime is 361645657. The next prime is 361645679. The reversal of 361645667 is 766546163.

It is a weak prime.

It is an emirp because it is prime and its reverse (766546163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361645667 - 2¹⁰ = 361644643 is a prime.

It is not a weakly prime, because it can be changed into another prime (361645657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180822833 + 180822834.

It is an arithmetic number, because the mean of its divisors is an integer number (180822834).

Almost surely, 2^361645667 is an apocalyptic number.

361645667 is a deficient number, since it is larger than the sum of its proper divisors (1).

361645667 is an equidigital number, since it uses as much as digits as its factorization.

361645667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 361645667 is about 19016.9836462043. The cubic root of 361645667 is about 712.4609877891.

The spelling of 361645667 in words is "three hundred sixty-one million, six hundred forty-five thousand, six hundred sixty-seven".