1051358660 has 48 divisors (see below), whose sum is σ = 2413720512. Its totient is φ = 381494400.

The previous prime is 1051358657. The next prime is 1051358683. The reversal of 1051358660 is 668531501.

It is a super-2 number, since 2×1051358660² = 2210710063913991200, 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 1051358660.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 103154 + ... + 112886.

It is an arithmetic number, because the mean of its divisors is an integer number (50285844).

Almost surely, 2^1051358660 is an apocalyptic number.

1051358660 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 1051358660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206860256).

1051358660 is an abundant number, since it is smaller than the sum of its proper divisors (1362361852).

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

1051358660 is a wasteful number, since it uses less digits than its factorization.

1051358660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244 (or 10242 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1051358660 is about 32424.6612935278. The cubic root of 1051358660 is about 1016.8345605848.

The spelling of 1051358660 in words is "one billion, fifty-one million, three hundred fifty-eight thousand, six hundred sixty".