655661502 has 12 divisors (see below), whose sum is σ = 1420599960. Its totient is φ = 218553828.

The previous prime is 655661477. The next prime is 655661533. The reversal of 655661502 is 205166556.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18212802 + ... + 18212837.

It is an arithmetic number, because the mean of its divisors is an integer number (118383330).

Almost surely, 2^655661502 is an apocalyptic number.

655661502 is an abundant number, since it is smaller than the sum of its proper divisors (764938458).

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

655661502 is a wasteful number, since it uses less digits than its factorization.

655661502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36425647 (or 36425644 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 655661502 is about 25605.8880338097. Note that the first 3 decimals coincide. The cubic root of 655661502 is about 868.7468203945.

The spelling of 655661502 in words is "six hundred fifty-five million, six hundred sixty-one thousand, five hundred two".