1066644324 has 36 divisors (see below), whose sum is σ = 2697350656. Its totient is φ = 355401648.

The previous prime is 1066644323. The next prime is 1066644407. The reversal of 1066644324 is 4234466601.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1066644324² = 2275460227842833952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1066644323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115917 + ... + 124779.

Almost surely, 2^1066644324 is an apocalyptic number.

It is an amenable number.

1066644324 is an abundant number, since it is smaller than the sum of its proper divisors (1630706332).

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

1066644324 is a wasteful number, since it uses less digits than its factorization.

1066644324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216 (or 12211 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 1066644324 is about 32659.5211844877. The cubic root of 1066644324 is about 1021.7387758932.

The spelling of 1066644324 in words is "one billion, sixty-six million, six hundred forty-four thousand, three hundred twenty-four".