1066544630 has 16 divisors (see below), whose sum is σ = 1920469824. Its totient is φ = 426464640.

The previous prime is 1066544627. The next prime is 1066544693. The reversal of 1066544630 is 364456601.

It is a super-2 number, since 2×1066544630² = 2275034895563673800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12590 + ... + 47870.

It is an arithmetic number, because the mean of its divisors is an integer number (120029364).

Almost surely, 2^1066544630 is an apocalyptic number.

1066544630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066544630 is a deficient number, since it is larger than the sum of its proper divisors (853925194).

1066544630 is a wasteful number, since it uses less digits than its factorization.

1066544630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1066544630 is about 32657.9948863980. The cubic root of 1066544630 is about 1021.7069426016.

The spelling of 1066544630 in words is "one billion, sixty-six million, five hundred forty-four thousand, six hundred thirty".