1516225718 has 24 divisors (see below), whose sum is σ = 2647008864. Its totient is φ = 649479600.

The previous prime is 1516225693. The next prime is 1516225723. The reversal of 1516225718 is 8175226151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353708 + ... + 357968.

It is an arithmetic number, because the mean of its divisors is an integer number (110292036).

Almost surely, 2^1516225718 is an apocalyptic number.

1516225718 is a deficient number, since it is larger than the sum of its proper divisors (1130783146).

1516225718 is a wasteful number, since it uses less digits than its factorization.

1516225718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908 (or 7901 counting only the distinct ones).

The product of its digits is 33600, while the sum is 38.

The square root of 1516225718 is about 38938.7431486945. The cubic root of 1516225718 is about 1148.8269621557.

The spelling of 1516225718 in words is "one billion, five hundred sixteen million, two hundred twenty-five thousand, seven hundred eighteen".