648164 has 12 divisors (see below), whose sum is σ = 1237488. Its totient is φ = 294600.

The previous prime is 648133. The next prime is 648173. The reversal of 648164 is 461846.

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 3 ways as a sum of consecutive naturals, for example, 7322 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (103124).

2⁶⁴⁸¹⁶⁴ is an apocalyptic number.

It is an amenable number.

648164 is a deficient number, since it is larger than the sum of its proper divisors (589324).

648164 is a wasteful number, since it uses less digits than its factorization.

648164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746 (or 14744 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 648164 is about 805.0863307745. The cubic root of 648164 is about 86.5422738783.

It can be divided in two parts, 64 and 8164, that added together give a palindrome (8228).

The spelling of 648164 in words is "six hundred forty-eight thousand, one hundred sixty-four".