655562064 has 20 divisors (see below), whose sum is σ = 1693535456. Its totient is φ = 218520672.

The previous prime is 655562027. The next prime is 655562069. The reversal of 655562064 is 460265556.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655562069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6828724 + ... + 6828819.

Almost surely, 2^655562064 is an apocalyptic number.

It is an amenable number.

655562064 is an abundant number, since it is smaller than the sum of its proper divisors (1037973392).

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

655562064 is a wasteful number, since it uses less digits than its factorization.

655562064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657554 (or 13657548 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 655562064 is about 25603.9462583407. The cubic root of 655562064 is about 868.7028999601.

The spelling of 655562064 in words is "six hundred fifty-five million, five hundred sixty-two thousand, sixty-four".