163213832 has 8 divisors (see below), whose sum is σ = 306025950. Its totient is φ = 81606912.

The previous prime is 163213793. The next prime is 163213837. The reversal of 163213832 is 238312361.

It can be written as a sum of positive squares in only one way, i.e., 133772356 + 29441476 = 11566^2 + 5426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×163213832² = 53277509912248448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163213795 and 163213804.

It is not an unprimeable number, because it can be changed into a prime (163213837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200857 + ... + 10200872.

Almost surely, 2^163213832 is an apocalyptic number.

It is an amenable number.

163213832 is a deficient number, since it is larger than the sum of its proper divisors (142812118).

163213832 is a wasteful number, since it uses less digits than its factorization.

163213832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20401735 (or 20401731 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 163213832 is about 12775.5168975662. The cubic root of 163213832 is about 546.4943217041.

The spelling of 163213832 in words is "one hundred sixty-three million, two hundred thirteen thousand, eight hundred thirty-two".