1716729018 has 16 divisors (see below), whose sum is σ = 3491652960. Its totient is φ = 562543856.

The previous prime is 1716729011. The next prime is 1716729023. The reversal of 1716729018 is 8109276171.

It is not an unprimeable number, because it can be changed into a prime (1716729011) 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, 2424405 + ... + 2425112.

It is an arithmetic number, because the mean of its divisors is an integer number (218228310).

Almost surely, 2^1716729018 is an apocalyptic number.

1716729018 is an abundant number, since it is smaller than the sum of its proper divisors (1774923942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1716729018 is a wasteful number, since it uses less digits than its factorization.

1716729018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849581.

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 1716729018 is about 41433.4287502253. The cubic root of 1716729018 is about 1197.3852832404.

The spelling of 1716729018 in words is "one billion, seven hundred sixteen million, seven hundred twenty-nine thousand, eighteen".