655165456 has 40 divisors (see below), whose sum is σ = 1389268224. Its totient is φ = 296837760.

The previous prime is 655165403. The next prime is 655165457. The reversal of 655165456 is 654561556.

It is not an unprimeable number, because it can be changed into a prime (655165457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49921 + ... + 61663.

Almost surely, 2^655165456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655165456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694634112).

655165456 is an abundant number, since it is smaller than the sum of its proper divisors (734102768).

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

655165456 is a wasteful number, since it uses less digits than its factorization.

655165456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12079 (or 12073 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

The square root of 655165456 is about 25596.2000304733. The cubic root of 655165456 is about 868.5276793152.

The spelling of 655165456 in words is "six hundred fifty-five million, one hundred sixty-five thousand, four hundred fifty-six".