1066450530 has 96 divisors (see below), whose sum is σ = 2687105664. Its totient is φ = 270816000.

The previous prime is 1066450529. The next prime is 1066450537. The reversal of 1066450530 is 350546601.

It is a super-2 number, since 2×1066450530² = 2274633465874561800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1066450537) 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 47 ways as a sum of consecutive naturals, for example, 2046670 + ... + 2047190.

It is an arithmetic number, because the mean of its divisors is an integer number (27990684).

Almost surely, 2^1066450530 is an apocalyptic number.

1066450530 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 1066450530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343552832).

1066450530 is an abundant number, since it is smaller than the sum of its proper divisors (1620655134).

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

1066450530 is a wasteful number, since it uses less digits than its factorization.

1066450530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1066450530 is about 32656.5541660476. The cubic root of 1066450530 is about 1021.6768937103.

The spelling of 1066450530 in words is "one billion, sixty-six million, four hundred fifty thousand, five hundred thirty".