163621430234231 has 8 divisors (see below), whose sum is σ = 169265824302000. Its totient is φ = 157977187885440.

The previous prime is 163621430234221. The next prime is 163621430234261. The reversal of 163621430234231 is 132432034126361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163621430234231 - 2¹⁰ = 163621430233207 is a prime.

It is a super-2 number, since 2×163621430234231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163621430234221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35733485 + ... + 40051526.

It is an arithmetic number, because the mean of its divisors is an integer number (21158228037750).

Almost surely, 2^{163621430234231} is an apocalyptic number.

163621430234231 is a deficient number, since it is larger than the sum of its proper divisors (5644394067769).

163621430234231 is an equidigital number, since it uses as much as digits as its factorization.

163621430234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75859489.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 163621430234231 in words is "one hundred sixty-three trillion, six hundred twenty-one billion, four hundred thirty million, two hundred thirty-four thousand, two hundred thirty-one".