1066291246 has 8 divisors (see below), whose sum is σ = 1600222104. Its totient is φ = 532883880.

The previous prime is 1066291241. The next prime is 1066291249. The reversal of 1066291246 is 6421926601.

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

It is a super-2 number, since 2×1066291246² = 2273954042592465032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066291241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125740 + ... + 133951.

It is an arithmetic number, because the mean of its divisors is an integer number (200027763).

Almost surely, 2^1066291246 is an apocalyptic number.

1066291246 is a deficient number, since it is larger than the sum of its proper divisors (533930858).

1066291246 is a wasteful number, since it uses less digits than its factorization.

1066291246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261746.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1066291246 is about 32654.1152996066. The cubic root of 1066291246 is about 1021.6260256265.

The spelling of 1066291246 in words is "one billion, sixty-six million, two hundred ninety-one thousand, two hundred forty-six".