1516646163 has 16 divisors (see below), whose sum is σ = 2078144640. Its totient is φ = 983325504.

The previous prime is 1516646099. The next prime is 1516646167. The reversal of 1516646163 is 3616466151.

It is not a de Polignac number, because 1516646163 - 2⁶ = 1516646099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1516646167) 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, 4828 + ... + 55286.

It is an arithmetic number, because the mean of its divisors is an integer number (129884040).

Almost surely, 2^1516646163 is an apocalyptic number.

1516646163 is a deficient number, since it is larger than the sum of its proper divisors (561498477).

1516646163 is a wasteful number, since it uses less digits than its factorization.

1516646163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50738.

The product of its digits is 77760, while the sum is 39.

The square root of 1516646163 is about 38944.1415748248. The cubic root of 1516646163 is about 1148.9331411383.

The spelling of 1516646163 in words is "one billion, five hundred sixteen million, six hundred forty-six thousand, one hundred sixty-three".