168683077936619 has 2 divisors, whose sum is σ = 168683077936620. Its totient is φ = 168683077936618.

The previous prime is 168683077936463. The next prime is 168683077936643. The reversal of 168683077936619 is 916639770386861.

It is a strong prime.

It is an emirp because it is prime and its reverse (916639770386861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168683077936619 - 2⁴⁴ = 151090891892203 is a prime.

It is a super-2 number, since 2×168683077936619² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (168680077936619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84341538968309 + 84341538968310.

It is an arithmetic number, because the mean of its divisors is an integer number (84341538968310).

Almost surely, 2^{168683077936619} is an apocalyptic number.

168683077936619 is a deficient number, since it is larger than the sum of its proper divisors (1).

168683077936619 is an equidigital number, since it uses as much as digits as its factorization.

168683077936619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2962842624, while the sum is 80.

The spelling of 168683077936619 in words is "one hundred sixty-eight trillion, six hundred eighty-three billion, seventy-seven million, nine hundred thirty-six thousand, six hundred nineteen".