655194648 has 64 divisors (see below), whose sum is σ = 1663452000. Its totient is φ = 215027712.

The previous prime is 655194623. The next prime is 655194649. The reversal of 655194648 is 846491556.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 655194597 and 655194606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655194649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532498 + ... + 533726.

Almost surely, 2^655194648 is an apocalyptic number.

It is an amenable number.

655194648 is an abundant number, since it is smaller than the sum of its proper divisors (1008257352).

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

655194648 is a wasteful number, since it uses less digits than its factorization.

655194648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1560 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 655194648 is about 25596.7702650159. The cubic root of 655194648 is about 868.5405786946.

The spelling of 655194648 in words is "six hundred fifty-five million, one hundred ninety-four thousand, six hundred forty-eight".