371663 has 2 divisors, whose sum is σ = 371664. Its totient is φ = 371662.

The previous prime is 371639. The next prime is 371669. The reversal of 371663 is 366173.

It is a strong prime.

It is an emirp because it is prime and its reverse (366173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 371663 - 2¹⁸ = 109519 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 371663.

It is not a weakly prime, because it can be changed into another prime (371669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185831 + 185832.

It is an arithmetic number, because the mean of its divisors is an integer number (185832).

2³⁷¹⁶⁶³ is an apocalyptic number.

371663 is a deficient number, since it is larger than the sum of its proper divisors (1).

371663 is an equidigital number, since it uses as much as digits as its factorization.

371663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 371663 is about 609.6416980489. The cubic root of 371663 is about 71.8979392439.

The spelling of 371663 in words is "three hundred seventy-one thousand, six hundred sixty-three".