1030163605 has 4 divisors (see below), whose sum is σ = 1236196332. Its totient is φ = 824130880.

The previous prime is 1030163587. The next prime is 1030163609. The reversal of 1030163605 is 5063610301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5063610301 = 53 ⋅95539817.

It can be written as a sum of positive squares in 2 ways, for example, as 350101521 + 680062084 = 18711^2 + 26078^2 .

It is not a de Polignac number, because 1030163605 - 2²⁹ = 493292693 is a prime.

It is a super-2 number, since 2×1030163605² = 2122474106133192050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030163605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030163609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103016356 + ... + 103016365.

It is an arithmetic number, because the mean of its divisors is an integer number (309049083).

Almost surely, 2^1030163605 is an apocalyptic number.

It is an amenable number.

1030163605 is a deficient number, since it is larger than the sum of its proper divisors (206032727).

1030163605 is an equidigital number, since it uses as much as digits as its factorization.

1030163605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206032726.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1030163605 is about 32096.1618421892. The cubic root of 1030163605 is about 1009.9551020789.

Adding to 1030163605 its reverse (5063610301), we get a palindrome (6093773906).

The spelling of 1030163605 in words is "one billion, thirty million, one hundred sixty-three thousand, six hundred five".