163261028 has 24 divisors (see below), whose sum is σ = 329579712. Its totient is φ = 69313824.

The previous prime is 163260989. The next prime is 163261073. The reversal of 163261028 is 820162361.

163261028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24251 + ... + 30242.

It is an arithmetic number, because the mean of its divisors is an integer number (13732488).

Almost surely, 2^163261028 is an apocalyptic number.

It is an amenable number.

163261028 is an abundant number, since it is smaller than the sum of its proper divisors (166318684).

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

163261028 is a wasteful number, since it uses less digits than its factorization.

163261028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54611 (or 54609 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 163261028 is about 12777.3638908814. The cubic root of 163261028 is about 546.5469926083.

The spelling of 163261028 in words is "one hundred sixty-three million, two hundred sixty-one thousand, twenty-eight".