616680323167 has 2 divisors, whose sum is σ = 616680323168. Its totient is φ = 616680323166.

The previous prime is 616680323143. The next prime is 616680323183. The reversal of 616680323167 is 761323086616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616680323167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616680323167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616680323197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308340161583 + 308340161584.

It is an arithmetic number, because the mean of its divisors is an integer number (308340161584).

Almost surely, 2^616680323167 is an apocalyptic number.

616680323167 is a deficient number, since it is larger than the sum of its proper divisors (1).

616680323167 is an equidigital number, since it uses as much as digits as its factorization.

616680323167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 616680323167 in words is "six hundred sixteen billion, six hundred eighty million, three hundred twenty-three thousand, one hundred sixty-seven".