163447227020 has 96 divisors (see below), whose sum is σ = 433962095616. Its totient is φ = 50227027200.

The previous prime is 163447227019. The next prime is 163447227043. The reversal of 163447227020 is 20722744361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638087 + ... + 856766.

It is an arithmetic number, because the mean of its divisors is an integer number (4520438496).

Almost surely, 2^163447227020 is an apocalyptic number.

163447227020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163447227020 is an abundant number, since it is smaller than the sum of its proper divisors (270514868596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163447227020 is a wasteful number, since it uses less digits than its factorization.

163447227020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494951 (or 1494949 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 163447227020 in words is "one hundred sixty-three billion, four hundred forty-seven million, two hundred twenty-seven thousand, twenty".