163632441456231 has 24 divisors (see below), whose sum is σ = 239815155146112. Its totient is φ = 99170672581200.

The previous prime is 163632441456217. The next prime is 163632441456271. The reversal of 163632441456231 is 132654144236361.

It is a happy number.

It is not a de Polignac number, because 163632441456231 - 2⁷ = 163632441456103 is a prime.

It is a super-2 number, since 2×163632441456231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163632441456271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77867316 + ... + 79941126.

It is an arithmetic number, because the mean of its divisors is an integer number (9992298131088).

Almost surely, 2^{163632441456231} is an apocalyptic number.

163632441456231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

163632441456231 is a deficient number, since it is larger than the sum of its proper divisors (76182713689881).

163632441456231 is a wasteful number, since it uses less digits than its factorization.

163632441456231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291203 (or 2291192 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 51.

The spelling of 163632441456231 in words is "one hundred sixty-three trillion, six hundred thirty-two billion, four hundred forty-one million, four hundred fifty-six thousand, two hundred thirty-one".