1066645352 has 16 divisors (see below), whose sum is σ = 2037695940. Its totient is φ = 523259776.

The previous prime is 1066645291. The next prime is 1066645369. The reversal of 1066645352 is 2535466601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1016716996 + 49928356 = 31886^2 + 7066^2 .

It is a super-2 number, since 2×1066645352² = 2275464613886407808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257413 + ... + 1258260.

Almost surely, 2^1066645352 is an apocalyptic number.

It is an amenable number.

1066645352 is a deficient number, since it is larger than the sum of its proper divisors (971050588).

1066645352 is a wasteful number, since it uses less digits than its factorization.

1066645352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515732 (or 2515728 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1066645352 is about 32659.5369226203. The cubic root of 1066645352 is about 1021.7391041335.

The spelling of 1066645352 in words is "one billion, sixty-six million, six hundred forty-five thousand, three hundred fifty-two".