1516319798 has 12 divisors (see below), whose sum is σ = 2645823492. Its totient is φ = 649851300.

The previous prime is 1516319797. The next prime is 1516319809. The reversal of 1516319798 is 8979136151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516319797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7736228 + ... + 7736423.

It is an arithmetic number, because the mean of its divisors is an integer number (220485291).

Almost surely, 2^1516319798 is an apocalyptic number.

1516319798 is a deficient number, since it is larger than the sum of its proper divisors (1129503694).

1516319798 is a wasteful number, since it uses less digits than its factorization.

1516319798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15472667 (or 15472660 counting only the distinct ones).

The product of its digits is 408240, while the sum is 50.

The square root of 1516319798 is about 38939.9511812740. The cubic root of 1516319798 is about 1148.8507227792.

The spelling of 1516319798 in words is "one billion, five hundred sixteen million, three hundred nineteen thousand, seven hundred ninety-eight".