655157652 has 12 divisors (see below), whose sum is σ = 1528701216. Its totient is φ = 218385880.

The previous prime is 655157651. The next prime is 655157663. The reversal of 655157652 is 256751556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655157651) 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, 27298224 + ... + 27298247.

It is an arithmetic number, because the mean of its divisors is an integer number (127391768).

Almost surely, 2^655157652 is an apocalyptic number.

It is an amenable number.

655157652 is an abundant number, since it is smaller than the sum of its proper divisors (873543564).

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

655157652 is a wasteful number, since it uses less digits than its factorization.

655157652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54596478 (or 54596476 counting only the distinct ones).

The product of its digits is 315000, while the sum is 42.

The square root of 655157652 is about 25596.0475855160. The cubic root of 655157652 is about 868.5242308138.

The spelling of 655157652 in words is "six hundred fifty-five million, one hundred fifty-seven thousand, six hundred fifty-two".