1066412056 has 8 divisors (see below), whose sum is σ = 1999522620. Its totient is φ = 533206024.

The previous prime is 1066412027. The next prime is 1066412063. The reversal of 1066412056 is 6502146601.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1066412056² = 2274469346364294272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66650746 + ... + 66650761.

Almost surely, 2^1066412056 is an apocalyptic number.

It is an amenable number.

1066412056 is a deficient number, since it is larger than the sum of its proper divisors (933110564).

1066412056 is a wasteful number, since it uses less digits than its factorization.

1066412056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133301513 (or 133301509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1066412056 is about 32655.9650906232. The cubic root of 1066412056 is about 1021.6646073241.

Adding to 1066412056 its reverse (6502146601), we get a palindrome (7568558657).

The spelling of 1066412056 in words is "one billion, sixty-six million, four hundred twelve thousand, fifty-six".