163926655007 has 2 divisors, whose sum is σ = 163926655008. Its totient is φ = 163926655006.

The previous prime is 163926654959. The next prime is 163926655063. The reversal of 163926655007 is 700556629361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163926655007 - 2¹⁰ = 163926653983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163926652007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81963327503 + 81963327504.

It is an arithmetic number, because the mean of its divisors is an integer number (81963327504).

Almost surely, 2^163926655007 is an apocalyptic number.

163926655007 is a deficient number, since it is larger than the sum of its proper divisors (1).

163926655007 is an equidigital number, since it uses as much as digits as its factorization.

163926655007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 163926655007 in words is "one hundred sixty-three billion, nine hundred twenty-six million, six hundred fifty-five thousand, seven".