655557148 has 12 divisors (see below), whose sum is σ = 1148986440. Its totient is φ = 327275312.

The previous prime is 655557131. The next prime is 655557167. The reversal of 655557148 is 841755556.

It is a junction number, because it is equal to n+sod(n) for n = 655557098 and 655557107.

It is a congruent number.

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, 122878 + ... + 128101.

It is an arithmetic number, because the mean of its divisors is an integer number (95748870).

Almost surely, 2^655557148 is an apocalyptic number.

It is an amenable number.

655557148 is a deficient number, since it is larger than the sum of its proper divisors (493429292).

655557148 is a wasteful number, since it uses less digits than its factorization.

655557148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251636 (or 251634 counting only the distinct ones).

The product of its digits is 840000, while the sum is 46.

The square root of 655557148 is about 25603.8502573343. The cubic root of 655557148 is about 868.7007285135.

The spelling of 655557148 in words is "six hundred fifty-five million, five hundred fifty-seven thousand, one hundred forty-eight".