1064720163 has 32 divisors (see below), whose sum is σ = 1601994240. Its totient is φ = 624096000.

The previous prime is 1064720161. The next prime is 1064720201. The reversal of 1064720163 is 3610274601.

It is not a de Polignac number, because 1064720163 - 2¹ = 1064720161 is a prime.

It is a super-2 number, since 2×1064720163² = 2267258050997493138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064720163.

It is not an unprimeable number, because it can be changed into a prime (1064720161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222783 + ... + 227511.

It is an arithmetic number, because the mean of its divisors is an integer number (50062320).

Almost surely, 2^1064720163 is an apocalyptic number.

1064720163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1064720163 is a deficient number, since it is larger than the sum of its proper divisors (537274077).

1064720163 is a wasteful number, since it uses less digits than its factorization.

1064720163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1064720163 is about 32630.0499999617. The cubic root of 1064720163 is about 1021.1240213707.

Adding to 1064720163 its reverse (3610274601), we get a palindrome (4674994764).

The spelling of 1064720163 in words is "one billion, sixty-four million, seven hundred twenty thousand, one hundred sixty-three".