655165612 has 12 divisors (see below), whose sum is σ = 1150901136. Its totient is φ = 326336720.

The previous prime is 655165561. The next prime is 655165627. The reversal of 655165612 is 216561556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310339 + ... + 312442.

It is an arithmetic number, because the mean of its divisors is an integer number (95908428).

Almost surely, 2^655165612 is an apocalyptic number.

It is an amenable number.

655165612 is a deficient number, since it is larger than the sum of its proper divisors (495735524).

655165612 is a wasteful number, since it uses less digits than its factorization.

655165612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623048 (or 623046 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 655165612 is about 25596.2030778004. The cubic root of 655165612 is about 868.5277482496.

The spelling of 655165612 in words is "six hundred fifty-five million, one hundred sixty-five thousand, six hundred twelve".