1066530784830 has 128 divisors (see below), whose sum is σ = 3098342016000. Its totient is φ = 229370296320.

The previous prime is 1066530784807. The next prime is 1066530784859. The reversal of 1066530784830 is 384870356601.

It is a super-2 number, since 2×1066530784830² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12448740 + ... + 12534120.

It is an arithmetic number, because the mean of its divisors is an integer number (24205797000).

Almost surely, 2^{1066530784830} is an apocalyptic number.

1066530784830 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 1066530784830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549171008000).

1066530784830 is an abundant number, since it is smaller than the sum of its proper divisors (2031811231170).

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

1066530784830 is a wasteful number, since it uses less digits than its factorization.

1066530784830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88914.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1066530784830 in words is "one trillion, sixty-six billion, five hundred thirty million, seven hundred eighty-four thousand, eight hundred thirty".