1716620061 has 16 divisors (see below), whose sum is σ = 2466918720. Its totient is φ = 1055512320.

The previous prime is 1716620023. The next prime is 1716620063. The reversal of 1716620061 is 1600266171.

It is not a de Polignac number, because 1716620061 - 2²⁶ = 1649511197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716620063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31621 + ... + 66581.

It is an arithmetic number, because the mean of its divisors is an integer number (154182420).

Almost surely, 2^1716620061 is an apocalyptic number.

It is an amenable number.

1716620061 is a deficient number, since it is larger than the sum of its proper divisors (750298659).

1716620061 is a wasteful number, since it uses less digits than its factorization.

1716620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36236.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1716620061 is about 41432.1138852461. The cubic root of 1716620061 is about 1197.3599509045.

The spelling of 1716620061 in words is "one billion, seven hundred sixteen million, six hundred twenty thousand, sixty-one".