1518216652 has 18 divisors (see below), whose sum is σ = 2719582404. Its totient is φ = 741205080.

The previous prime is 1518216649. The next prime is 1518216703. The reversal of 1518216652 is 2566128151.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 509527 + ... + 512497.

Almost surely, 2^1518216652 is an apocalyptic number.

It is an amenable number.

1518216652 is a deficient number, since it is larger than the sum of its proper divisors (1201365752).

1518216652 is an frugal number, since it uses more digits than its factorization.

1518216652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989 (or 3016 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 1518216652 is about 38964.2997114025. The cubic root of 1518216652 is about 1149.3295782346.

The spelling of 1518216652 in words is "one billion, five hundred eighteen million, two hundred sixteen thousand, six hundred fifty-two".