1066450710 has 64 divisors (see below), whose sum is σ = 2768633280. Its totient is φ = 261342720.

The previous prime is 1066450709. The next prime is 1066450717. The reversal of 1066450710 is 170546601.

It is a super-2 number, since 2×1066450710² = 2274634233719008200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066450717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83340 + ... + 95280.

It is an arithmetic number, because the mean of its divisors is an integer number (43259895).

Almost surely, 2^1066450710 is an apocalyptic number.

1066450710 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 1066450710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384316640).

1066450710 is an abundant number, since it is smaller than the sum of its proper divisors (1702182570).

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

1066450710 is a wasteful number, since it uses less digits than its factorization.

1066450710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1066450710 is about 32656.5569220027. The cubic root of 1066450710 is about 1021.6769511913.

The spelling of 1066450710 in words is "one billion, sixty-six million, four hundred fifty thousand, seven hundred ten".