1516713685 has 8 divisors (see below), whose sum is σ = 1836163800. Its totient is φ = 1202632704.

The previous prime is 1516713647. The next prime is 1516713691. The reversal of 1516713685 is 5863176151.

It can be written as a sum of positive squares in 4 ways, for example, as 132204004 + 1384509681 = 11498^2 + 37209^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1516713685 - 2¹⁵ = 1516680917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341660 + ... + 1342789.

It is an arithmetic number, because the mean of its divisors is an integer number (229520475).

Almost surely, 2^1516713685 is an apocalyptic number.

It is an amenable number.

1516713685 is a deficient number, since it is larger than the sum of its proper divisors (319450115).

1516713685 is a wasteful number, since it uses less digits than its factorization.

1516713685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684567.

The product of its digits is 151200, while the sum is 43.

The square root of 1516713685 is about 38945.0084734873. The cubic root of 1516713685 is about 1148.9501912836.

The spelling of 1516713685 in words is "one billion, five hundred sixteen million, seven hundred thirteen thousand, six hundred eighty-five".