1066431460 has 24 divisors (see below), whose sum is σ = 2254343616. Its totient is φ = 423746400.

The previous prime is 1066431451. The next prime is 1066431467. The reversal of 1066431460 is 641346601.

It is a super-2 number, since 2×1066431460² = 2274552117755463200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1066431467) 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 7 ways as a sum of consecutive naturals, for example, 173542 + ... + 179581.

It is an arithmetic number, because the mean of its divisors is an integer number (93930984).

Almost surely, 2^1066431460 is an apocalyptic number.

1066431460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066431460 is an abundant number, since it is smaller than the sum of its proper divisors (1187912156).

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

1066431460 is a wasteful number, since it uses less digits than its factorization.

1066431460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353283 (or 353281 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1066431460 is about 32656.2621866006. The cubic root of 1066431460 is about 1021.6708038843.

It can be divided in two parts, 10664 and 31460, that added together give a palindrome (42124).

The spelling of 1066431460 in words is "one billion, sixty-six million, four hundred thirty-one thousand, four hundred sixty".