1516238063 has 4 divisors (see below), whose sum is σ = 1522138080. Its totient is φ = 1510338048.

The previous prime is 1516238027. The next prime is 1516238089. The reversal of 1516238063 is 3608326151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3608326151 = 911 ⋅3960841.

It is a cyclic number.

It is not a de Polignac number, because 1516238063 - 2⁶ = 1516237999 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 (1516238663) 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, 2949623 + ... + 2950136.

It is an arithmetic number, because the mean of its divisors is an integer number (380534520).

Almost surely, 2^1516238063 is an apocalyptic number.

1516238063 is a deficient number, since it is larger than the sum of its proper divisors (5900017).

1516238063 is an equidigital number, since it uses as much as digits as its factorization.

1516238063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900016.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1516238063 is about 38938.9016665853. The cubic root of 1516238063 is about 1148.8300800359.

The spelling of 1516238063 in words is "one billion, five hundred sixteen million, two hundred thirty-eight thousand, sixty-three".