1066009901 has 8 divisors (see below), whose sum is σ = 1163265600. Its totient is φ = 968811840.

The previous prime is 1066009897. The next prime is 1066009907. The reversal of 1066009901 is 1099006601.

It is a happy number.

1066009901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1066009901 - 2² = 1066009897 is a prime.

It is a super-2 number, since 2×1066009901² = 2272754218060059602, which contains 22 as substring.

1066009901 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066009907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30320 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (145408200).

Almost surely, 2^1066009901 is an apocalyptic number.

1066009901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1066009901 is a deficient number, since it is larger than the sum of its proper divisors (97255699).

1066009901 is a wasteful number, since it uses less digits than its factorization.

1066009901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28819.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1066009901 is about 32649.8070591543. The cubic root of 1066009901 is about 1021.5361644187.

The spelling of 1066009901 in words is "one billion, sixty-six million, nine thousand, nine hundred one".