216148746724 has 9 divisors (see below), whose sum is σ = 378261933987. Its totient is φ = 108073908444.

The previous prime is 216148746719. The next prime is 216148746743. The reversal of 216148746724 is 427647841612.

The square root of 216148746724 is 464918.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 813607 + ... + 1046065.

Almost surely, 2^216148746724 is an apocalyptic number.

216148746724 is the 464918-th square number.

It is an amenable number.

216148746724 is a deficient number, since it is larger than the sum of its proper divisors (162113187263).

216148746724 is an frugal number, since it uses more digits than its factorization.

216148746724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464922 (or 232461 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The spelling of 216148746724 in words is "two hundred sixteen billion, one hundred forty-eight million, seven hundred forty-six thousand, seven hundred twenty-four".