648150864 has 80 divisors (see below), whose sum is σ = 1712640384. Its totient is φ = 211161600.

The previous prime is 648150859. The next prime is 648150907. The reversal of 648150864 is 468051846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529357 + ... + 530579.

Almost surely, 2^648150864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648150864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856320192).

648150864 is an abundant number, since it is smaller than the sum of its proper divisors (1064489520).

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

648150864 is a wasteful number, since it uses less digits than its factorization.

648150864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 648150864 is about 25458.8071990814. The cubic root of 648150864 is about 865.4168923869.

The spelling of 648150864 in words is "six hundred forty-eight million, one hundred fifty thousand, eight hundred sixty-four".