163020628 has 12 divisors (see below), whose sum is σ = 291356352. Its totient is φ = 79775960.

The previous prime is 163020587. The next prime is 163020643. The reversal of 163020628 is 826020361.

It is a junction number, because it is equal to n+sod(n) for n = 163020596 and 163020605.

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, 433378 + ... + 433753.

It is an arithmetic number, because the mean of its divisors is an integer number (24279696).

Almost surely, 2^163020628 is an apocalyptic number.

It is an amenable number.

163020628 is a deficient number, since it is larger than the sum of its proper divisors (128335724).

163020628 is a wasteful number, since it uses less digits than its factorization.

163020628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867182 (or 867180 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 163020628 is about 12767.9531640745. The cubic root of 163020628 is about 546.2785994274.

Adding to 163020628 its reverse (826020361), we get a palindrome (989040989).

It can be divided in two parts, 16 and 3020628, that added together give a square (3020644 = 1738²).

The spelling of 163020628 in words is "one hundred sixty-three million, twenty thousand, six hundred twenty-eight".