163224326661 has 16 divisors (see below), whose sum is σ = 237443078208. Its totient is φ = 98913052800.

The previous prime is 163224326647. The next prime is 163224326689. The reversal of 163224326661 is 166623422361.

It is a happy number.

It is not a de Polignac number, because 163224326661 - 2⁶ = 163224326597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163224326621) 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, 43251 + ... + 572991.

It is an arithmetic number, because the mean of its divisors is an integer number (14840192388).

Almost surely, 2^163224326661 is an apocalyptic number.

163224326661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163224326661 is a deficient number, since it is larger than the sum of its proper divisors (74218751547).

163224326661 is a wasteful number, since it uses less digits than its factorization.

163224326661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539092.

The product of its digits is 373248, while the sum is 42.

The spelling of 163224326661 in words is "one hundred sixty-three billion, two hundred twenty-four million, three hundred twenty-six thousand, six hundred sixty-one".