665377848119 has 2 divisors, whose sum is σ = 665377848120. Its totient is φ = 665377848118.

The previous prime is 665377848103. The next prime is 665377848181. The reversal of 665377848119 is 911848773566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 665377848119 - 2⁴ = 665377848103 is a prime.

It is a super-2 number, since 2×665377848119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (665377842119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332688924059 + 332688924060.

It is an arithmetic number, because the mean of its divisors is an integer number (332688924060).

Almost surely, 2^665377848119 is an apocalyptic number.

665377848119 is a deficient number, since it is larger than the sum of its proper divisors (1).

665377848119 is an equidigital number, since it uses as much as digits as its factorization.

665377848119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 65.

The spelling of 665377848119 in words is "six hundred sixty-five billion, three hundred seventy-seven million, eight hundred forty-eight thousand, one hundred nineteen".