648148802 has 16 divisors (see below), whose sum is σ = 1112779392. Its totient is φ = 277361280.

The previous prime is 648148769. The next prime is 648148829. The reversal of 648148802 is 208841846.

648148802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 648148802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24974 + ... + 43817.

It is an arithmetic number, because the mean of its divisors is an integer number (69548712).

Almost surely, 2^648148802 is an apocalyptic number.

648148802 is a deficient number, since it is larger than the sum of its proper divisors (464630590).

648148802 is a wasteful number, since it uses less digits than its factorization.

648148802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69473.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 648148802 is about 25458.7667022580. The cubic root of 648148802 is about 865.4159746522.

The spelling of 648148802 in words is "six hundred forty-eight million, one hundred forty-eight thousand, eight hundred two".