1516971575716 has 9 divisors (see below), whose sum is σ = 2654704568299. Its totient is φ = 758484556204.

The previous prime is 1516971575681. The next prime is 1516971575719. The reversal of 1516971575716 is 6175751796151.

It is a happy number.

The square root of 1516971575716 is 1231654.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516971575719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2155395 + ... + 2771221.

Almost surely, 2^{1516971575716} is an apocalyptic number.

1516971575716 is the 1231654-th square number.

It is an amenable number.

1516971575716 is a deficient number, since it is larger than the sum of its proper divisors (1137732992583).

1516971575716 is an frugal number, since it uses more digits than its factorization.

1516971575716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231658 (or 615829 counting only the distinct ones).

The product of its digits is 13891500, while the sum is 61.

The spelling of 1516971575716 in words is "one trillion, five hundred sixteen billion, nine hundred seventy-one million, five hundred seventy-five thousand, seven hundred sixteen".