1066349555 has 16 divisors (see below), whose sum is σ = 1314399744. Its totient is φ = 830200800.

The previous prime is 1066349519. The next prime is 1066349573. The reversal of 1066349555 is 5559436601.

It is not a de Polignac number, because 1066349555 - 2¹² = 1066345459 is a prime.

It is a super-2 number, since 2×1066349555² = 2274202746897396050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8630 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (82149984).

Almost surely, 2^1066349555 is an apocalyptic number.

1066349555 is a deficient number, since it is larger than the sum of its proper divisors (248050189).

1066349555 is an equidigital number, since it uses as much as digits as its factorization.

1066349555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38506.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 1066349555 is about 32655.0081151422. The cubic root of 1066349555 is about 1021.6446474637.

The spelling of 1066349555 in words is "one billion, sixty-six million, three hundred forty-nine thousand, five hundred fifty-five".