1066232160 has 720 divisors, whose sum is σ = 4630149216. Its totient is φ = 229920768.

The previous prime is 1066232149. The next prime is 1066232161. The reversal of 1066232160 is 612326601.

1066232160 is a `hidden beast` number, since 10 + 6 + 623 + 21 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×1066232160² = 2273702038036531200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066232161) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14605884 + ... + 14605956.

Almost surely, 2^1066232160 is an apocalyptic number.

1066232160 is a gapful number since it is divisible by the number (10) 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 1066232160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315074608).

1066232160 is an abundant number, since it is smaller than the sum of its proper divisors (3563917056).

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

1066232160 is a wasteful number, since it uses less digits than its factorization.

1066232160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1066232160 is about 32653.2105619034. The cubic root of 1066232160 is about 1021.6071549503.

Adding to 1066232160 its reverse (612326601), we get a palindrome (1678558761).

The spelling of 1066232160 in words is "one billion, sixty-six million, two hundred thirty-two thousand, one hundred sixty".