1058206660 has 96 divisors (see below), whose sum is σ = 2621219328. Its totient is φ = 351267840.

The previous prime is 1058206657. The next prime is 1058206661. The reversal of 1058206660 is 666028501.

It is a super-2 number, since 2×1058206660² = 2239602670536711200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058206661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1455217 + ... + 1455943.

It is an arithmetic number, because the mean of its divisors is an integer number (27304368).

Almost surely, 2^1058206660 is an apocalyptic number.

1058206660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058206660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310609664).

1058206660 is an abundant number, since it is smaller than the sum of its proper divisors (1563012668).

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

1058206660 is a wasteful number, since it uses less digits than its factorization.

1058206660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1058206660 is about 32530.0885335408. The cubic root of 1058206660 is about 1019.0374939295.

The spelling of 1058206660 in words is "one billion, fifty-eight million, two hundred six thousand, six hundred sixty".