1066432304 has 160 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 397025280.

The previous prime is 1066432261. The next prime is 1066432307. The reversal of 1066432304 is 4032346601.

It is a super-2 number, since 2×1066432304² = 2274555718029496832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066432307) 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, 1482857 + ... + 1483575.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^1066432304 is an apocalyptic number.

1066432304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066432304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349913600).

1066432304 is an abundant number, since it is smaller than the sum of its proper divisors (1633394896).

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

1066432304 is a wasteful number, since it uses less digits than its factorization.

1066432304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1066432304 is about 32656.2751090813. The cubic root of 1066432304 is about 1021.6710734094.

Adding to 1066432304 its reverse (4032346601), we get a palindrome (5098778905).

The spelling of 1066432304 in words is "one billion, sixty-six million, four hundred thirty-two thousand, three hundred four".