1066530764 has 24 divisors (see below), whose sum is σ = 2013909408. Its totient is φ = 491287680.

The previous prime is 1066530719. The next prime is 1066530791. The reversal of 1066530764 is 4670356601.

It is a happy number.

It is a super-2 number, since 2×1066530764² = 2274975741116847392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409 + ... + 46775.

It is an arithmetic number, because the mean of its divisors is an integer number (83912892).

Almost surely, 2^1066530764 is an apocalyptic number.

It is an amenable number.

1066530764 is a deficient number, since it is larger than the sum of its proper divisors (947378644).

1066530764 is a wasteful number, since it uses less digits than its factorization.

1066530764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39905 (or 39903 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1066530764 is about 32657.7825946588. The cubic root of 1066530764 is about 1021.7025148920.

The spelling of 1066530764 in words is "one billion, sixty-six million, five hundred thirty thousand, seven hundred sixty-four".