1066355430 has 256 divisors, whose sum is σ = 3317760000. Its totient is φ = 213497856.

The previous prime is 1066355377. The next prime is 1066355467. The reversal of 1066355430 is 345536601.

It is a super-2 number, since 2×1066355430² = 2274227806180969800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066355391 and 1066355400.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 5358471 + ... + 5358669.

It is an arithmetic number, because the mean of its divisors is an integer number (12960000).

Almost surely, 2^1066355430 is an apocalyptic number.

1066355430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066355430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658880000).

1066355430 is an abundant number, since it is smaller than the sum of its proper divisors (2251404570).

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

1066355430 is a wasteful number, since it uses less digits than its factorization.

1066355430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1066355430 is about 32655.0980705923. The cubic root of 1066355430 is about 1021.6465236938.

It can be divided in two parts, 106 and 6355430, that added together give a palindrome (6355536).

The spelling of 1066355430 in words is "one billion, sixty-six million, three hundred fifty-five thousand, four hundred thirty".