648200816 has 20 divisors (see below), whose sum is σ = 1286521824. Its totient is φ = 316195200.

The previous prime is 648200807. The next prime is 648200821. The reversal of 648200816 is 618002846.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493400 + ... + 494711.

Almost surely, 2^648200816 is an apocalyptic number.

It is an amenable number.

648200816 is a deficient number, since it is larger than the sum of its proper divisors (638321008).

648200816 is a wasteful number, since it uses less digits than its factorization.

648200816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988160 (or 988154 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 648200816 is about 25459.7882159298. The cubic root of 648200816 is about 865.4391239364.

The spelling of 648200816 in words is "six hundred forty-eight million, two hundred thousand, eight hundred sixteen".