163490068 has 18 divisors (see below), whose sum is σ = 332819466. Its totient is φ = 70067088.

The previous prime is 163490053. The next prime is 163490077. The reversal of 163490068 is 860094361.

163490068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144288144 + 19201924 = 12012^2 + 4382^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416871 + ... + 417262.

Almost surely, 2^163490068 is an apocalyptic number.

It is an amenable number.

163490068 is an abundant number, since it is smaller than the sum of its proper divisors (169329398).

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

163490068 is a wasteful number, since it uses less digits than its factorization.

163490068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834151 (or 834142 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 163490068 is about 12786.3234747131. The cubic root of 163490068 is about 546.8024580045.

The spelling of 163490068 in words is "one hundred sixty-three million, four hundred ninety thousand, sixty-eight".