163055489806 has 64 divisors (see below), whose sum is σ = 285420506112. Its totient is φ = 69113440000.

The previous prime is 163055489803. The next prime is 163055489899. The reversal of 163055489806 is 608984550361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163055489801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44415351 + ... + 44419021.

It is an arithmetic number, because the mean of its divisors is an integer number (4459695408).

Almost surely, 2^163055489806 is an apocalyptic number.

163055489806 is a deficient number, since it is larger than the sum of its proper divisors (122365016306).

163055489806 is a wasteful number, since it uses less digits than its factorization.

163055489806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 163055489806 in words is "one hundred sixty-three billion, fifty-five million, four hundred eighty-nine thousand, eight hundred six".