1017172066 has 8 divisors (see below), whose sum is σ = 1528298604. Its totient is φ = 507739200.

The previous prime is 1017172019. The next prime is 1017172097. The reversal of 1017172066 is 6602717101.

It can be written as a sum of positive squares in 2 ways, for example, as 952031025 + 65141041 = 30855^2 + 8071^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421915 + ... + 424318.

Almost surely, 2^1017172066 is an apocalyptic number.

1017172066 is a deficient number, since it is larger than the sum of its proper divisors (511126538).

1017172066 is an equidigital number, since it uses as much as digits as its factorization.

1017172066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846836.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1017172066 is about 31893.1350920539. The cubic root of 1017172066 is about 1005.6915666121.

Adding to 1017172066 its reverse (6602717101), we get a palindrome (7619889167).

The spelling of 1017172066 in words is "one billion, seventeen million, one hundred seventy-two thousand, sixty-six".