1716116477 has 4 divisors (see below), whose sum is σ = 1744249596. Its totient is φ = 1687983360.

The previous prime is 1716116453. The next prime is 1716116483. The reversal of 1716116477 is 7746116171.

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 2 ways, for example, as 539214841 + 1176901636 = 23221^2 + 34306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716116477 - 2¹⁴ = 1716100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716116407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14066468 + ... + 14066589.

It is an arithmetic number, because the mean of its divisors is an integer number (436062399).

Almost surely, 2^1716116477 is an apocalyptic number.

It is an amenable number.

1716116477 is a deficient number, since it is larger than the sum of its proper divisors (28133119).

1716116477 is an equidigital number, since it uses as much as digits as its factorization.

1716116477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28133118.

The product of its digits is 49392, while the sum is 41.

The square root of 1716116477 is about 41426.0362211979. The cubic root of 1716116477 is about 1197.2428544662.

The spelling of 1716116477 in words is "one billion, seven hundred sixteen million, one hundred sixteen thousand, four hundred seventy-seven".