655345626 has 64 divisors (see below), whose sum is σ = 1449705600. Its totient is φ = 196263936.

The previous prime is 655345619. The next prime is 655345633. The reversal of 655345626 is 626543556.

It is an interprime number because it is at equal distance from previous prime (655345619) and next prime (655345633).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464410 + ... + 465818.

It is an arithmetic number, because the mean of its divisors is an integer number (22651650).

Almost surely, 2^655345626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655345626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724852800).

655345626 is an abundant number, since it is smaller than the sum of its proper divisors (794359974).

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

655345626 is a wasteful number, since it uses less digits than its factorization.

655345626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its digits is 648000, while the sum is 42.

The square root of 655345626 is about 25599.7192562731. The cubic root of 655345626 is about 868.6072868344.

The spelling of 655345626 in words is "six hundred fifty-five million, three hundred forty-five thousand, six hundred twenty-six".