1066646612 has 12 divisors (see below), whose sum is σ = 1889121696. Its totient is φ = 526897560.

The previous prime is 1066646599. The next prime is 1066646627. The reversal of 1066646612 is 2166466601.

It is a super-2 number, since 2×1066646612² = 2275469989782157088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1606064 + ... + 1606727.

It is an arithmetic number, because the mean of its divisors is an integer number (157426808).

Almost surely, 2^1066646612 is an apocalyptic number.

It is an amenable number.

1066646612 is a deficient number, since it is larger than the sum of its proper divisors (822475084).

1066646612 is a wasteful number, since it uses less digits than its factorization.

1066646612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212878 (or 3212876 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1066646612 is about 32659.5562125391. The cubic root of 1066646612 is about 1021.7395064512.

The spelling of 1066646612 in words is "one billion, sixty-six million, six hundred forty-six thousand, six hundred twelve".