1018001066 has 4 divisors (see below), whose sum is σ = 1527001602. Its totient is φ = 509000532.

The previous prime is 1018001029. The next prime is 1018001071. The reversal of 1018001066 is 6601008101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 889292041 + 128709025 = 29821^2 + 11345^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254500265 + ... + 254500268.

Almost surely, 2^1018001066 is an apocalyptic number.

1018001066 is a deficient number, since it is larger than the sum of its proper divisors (509000536).

1018001066 is an equidigital number, since it uses as much as digits as its factorization.

1018001066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509000535.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1018001066 is about 31906.1289723464. The cubic root of 1018001066 is about 1005.9647068684.

Adding to 1018001066 its reverse (6601008101), we get a palindrome (7619009167).

The spelling of 1018001066 in words is "one billion, eighteen million, one thousand, sixty-six".