1066046426 has 8 divisors (see below), whose sum is σ = 1609802100. Its totient is φ = 529445728.

The previous prime is 1066046381. The next prime is 1066046437. The reversal of 1066046426 is 6246406601.

It can be written as a sum of positive squares in 2 ways, for example, as 1030345801 + 35700625 = 32099^2 + 5975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1066046426² = 2272909964774746952, 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, 1788371 + ... + 1788966.

Almost surely, 2^1066046426 is an apocalyptic number.

1066046426 is a deficient number, since it is larger than the sum of its proper divisors (543755674).

1066046426 is a wasteful number, since it uses less digits than its factorization.

1066046426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577488.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1066046426 is about 32650.3663991692. The cubic root of 1066046426 is about 1021.5478313467.

The spelling of 1066046426 in words is "one billion, sixty-six million, forty-six thousand, four hundred twenty-six".