163066216500401 has 16 divisors (see below), whose sum is σ = 171141365918208. Its totient is φ = 155168679801600.

The previous prime is 163066216500389. The next prime is 163066216500427. The reversal of 163066216500401 is 104005612660361.

It is a cyclic number.

It is not a de Polignac number, because 163066216500401 - 2⁶ = 163066216500337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163066216500101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8155256 + ... + 19815161.

It is an arithmetic number, because the mean of its divisors is an integer number (10696335369888).

Almost surely, 2^{163066216500401} is an apocalyptic number.

It is an amenable number.

163066216500401 is a deficient number, since it is larger than the sum of its proper divisors (8075149417807).

163066216500401 is a wasteful number, since it uses less digits than its factorization.

163066216500401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27973592.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 163066216500401 in words is "one hundred sixty-three trillion, sixty-six billion, two hundred sixteen million, five hundred thousand, four hundred one".