163240628 has 12 divisors (see below), whose sum is σ = 300706560. Its totient is φ = 77324472.

The previous prime is 163240619. The next prime is 163240631. The reversal of 163240628 is 826042361.

It is a junction number, because it is equal to n+sod(n) for n = 163240594 and 163240603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073876 + ... + 1074027.

It is an arithmetic number, because the mean of its divisors is an integer number (25058880).

Almost surely, 2^163240628 is an apocalyptic number.

It is an amenable number.

163240628 is a deficient number, since it is larger than the sum of its proper divisors (137465932).

163240628 is a wasteful number, since it uses less digits than its factorization.

163240628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147926 (or 2147924 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 163240628 is about 12776.5655792157. The cubic root of 163240628 is about 546.5242273813.

Adding to 163240628 its reverse (826042361), we get a palindrome (989282989).

The spelling of 163240628 in words is "one hundred sixty-three million, two hundred forty thousand, six hundred twenty-eight".