648106755 has 8 divisors (see below), whose sum is σ = 1036970832. Its totient is φ = 345656928.

The previous prime is 648106741. The next prime is 648106787. The reversal of 648106755 is 557601846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 648106755 - 2¹² = 648102659 is a prime.

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, 21603544 + ... + 21603573.

It is an arithmetic number, because the mean of its divisors is an integer number (129621354).

Almost surely, 2^648106755 is an apocalyptic number.

648106755 is a deficient number, since it is larger than the sum of its proper divisors (388864077).

648106755 is a wasteful number, since it uses less digits than its factorization.

648106755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43207125.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 648106755 is about 25457.9409025946. The cubic root of 648106755 is about 865.3972603630.

The spelling of 648106755 in words is "six hundred forty-eight million, one hundred six thousand, seven hundred fifty-five".