163662354006439 has 2 divisors, whose sum is σ = 163662354006440. Its totient is φ = 163662354006438.

The previous prime is 163662354006433. The next prime is 163662354006469. The reversal of 163662354006439 is 934600453266361.

163662354006439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163662354006439 - 2²⁹ = 163661817135527 is a prime.

It is a super-2 number, since 2×163662354006439² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163662354006433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81831177003219 + 81831177003220.

It is an arithmetic number, because the mean of its divisors is an integer number (81831177003220).

Almost surely, 2^{163662354006439} is an apocalyptic number.

163662354006439 is a deficient number, since it is larger than the sum of its proper divisors (1).

163662354006439 is an equidigital number, since it uses as much as digits as its factorization.

163662354006439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 58.

The spelling of 163662354006439 in words is "one hundred sixty-three trillion, six hundred sixty-two billion, three hundred fifty-four million, six thousand, four hundred thirty-nine".