68160979 has 2 divisors, whose sum is σ = 68160980. Its totient is φ = 68160978.

The previous prime is 68160959. The next prime is 68160997. The reversal of 68160979 is 97906186.

Together with next prime (68160997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68160979 - 2¹⁹ = 67636691 is a prime.

It is not a weakly prime, because it can be changed into another prime (68160959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34080489 + 34080490.

It is an arithmetic number, because the mean of its divisors is an integer number (34080490).

Almost surely, 2^68160979 is an apocalyptic number.

68160979 is a deficient number, since it is larger than the sum of its proper divisors (1).

68160979 is an equidigital number, since it uses as much as digits as its factorization.

68160979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 68160979 is about 8255.9662668884. The cubic root of 68160979 is about 408.4873449675.

The spelling of 68160979 in words is "sixty-eight million, one hundred sixty thousand, nine hundred seventy-nine".