163446432 has 48 divisors (see below), whose sum is σ = 454289472. Its totient is φ = 51276800.

The previous prime is 163446383. The next prime is 163446443. The reversal of 163446432 is 234644361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×163446432² = 53429472267061248, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 163446393 and 163446402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48444 + ... + 51707.

It is an arithmetic number, because the mean of its divisors is an integer number (9464364).

Almost surely, 2^163446432 is an apocalyptic number.

163446432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163446432 is an abundant number, since it is smaller than the sum of its proper divisors (290843040).

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

163446432 is a wasteful number, since it uses less digits than its factorization.

163446432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100181 (or 100173 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 163446432 is about 12784.6170063870. The cubic root of 163446432 is about 546.7538059254.

It can be divided in two parts, 163446 and 432, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 163446432 in words is "one hundred sixty-three million, four hundred forty-six thousand, four hundred thirty-two".