1066556032 has 32 divisors (see below), whose sum is σ = 2236615200. Its totient is φ = 505209600.

The previous prime is 1066556027. The next prime is 1066556087. The reversal of 1066556032 is 2306556601.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1066556032² = 2275083538791170048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216844 + ... + 221707.

It is an arithmetic number, because the mean of its divisors is an integer number (69894225).

Almost surely, 2^1066556032 is an apocalyptic number.

It is an amenable number.

1066556032 is an abundant number, since it is smaller than the sum of its proper divisors (1170059168).

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

1066556032 is an equidigital number, since it uses as much as digits as its factorization.

1066556032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438584 (or 438572 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1066556032 is about 32658.1694526806. The cubic root of 1066556032 is about 1021.7105834748.

The spelling of 1066556032 in words is "one billion, sixty-six million, five hundred fifty-six thousand, thirty-two".