156966809394359 has 2 divisors, whose sum is σ = 156966809394360. Its totient is φ = 156966809394358.

The previous prime is 156966809394347. The next prime is 156966809394419. The reversal of 156966809394359 is 953493908669651.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156966809394359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156966802394359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78483404697179 + 78483404697180.

It is an arithmetic number, because the mean of its divisors is an integer number (78483404697180).

Almost surely, 2^{156966809394359} is an apocalyptic number.

156966809394359 is a deficient number, since it is larger than the sum of its proper divisors (1).

156966809394359 is an equidigital number, since it uses as much as digits as its factorization.

156966809394359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10203667200, while the sum is 83.

The spelling of 156966809394359 in words is "one hundred fifty-six trillion, nine hundred sixty-six billion, eight hundred nine million, three hundred ninety-four thousand, three hundred fifty-nine".