648362016 has 48 divisors (see below), whose sum is σ = 1891058400. Its totient is φ = 216120384.

The previous prime is 648362009. The next prime is 648362081. The reversal of 648362016 is 610263846.

648362016 is a `hidden beast` number, since 648 + 3 + 6 + 2 + 0 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374346 + ... + 376073.

It is an arithmetic number, because the mean of its divisors is an integer number (39397050).

Almost surely, 2^648362016 is an apocalyptic number.

It is an amenable number.

648362016 is an abundant number, since it is smaller than the sum of its proper divisors (1242696384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648362016 is a wasteful number, since it uses less digits than its factorization.

648362016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750438 (or 750424 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 648362016 is about 25462.9537956616. The cubic root of 648362016 is about 865.5108595365.

The spelling of 648362016 in words is "six hundred forty-eight million, three hundred sixty-two thousand, sixteen".