1016558343 has 20 divisors (see below), whose sum is σ = 1519721280. Its totient is φ = 677188512.

The previous prime is 1016558341. The next prime is 1016558359. The reversal of 1016558343 is 3438556101.

1016558343 is a `hidden beast` number, since 10 + 1 + 65 + 583 + 4 + 3 = 666.

It is not a de Polignac number, because 1016558343 - 2¹ = 1016558341 is a prime.

It is a super-4 number, since 4×1016558343⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1016558298 and 1016558307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016558341) 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 19 ways as a sum of consecutive naturals, for example, 122923 + ... + 130931.

It is an arithmetic number, because the mean of its divisors is an integer number (75986064).

Almost surely, 2^1016558343 is an apocalyptic number.

1016558343 is a deficient number, since it is larger than the sum of its proper divisors (503162937).

1016558343 is an equidigital number, since it uses as much as digits as its factorization.

1016558343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9579 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1016558343 is about 31883.5120869706. The cubic root of 1016558343 is about 1005.4892605512.

The spelling of 1016558343 in words is "one billion, sixteen million, five hundred fifty-eight thousand, three hundred forty-three".