655644012246 has 48 divisors (see below), whose sum is σ = 1569521232864. Its totient is φ = 196749096192.

The previous prime is 655644012239. The next prime is 655644012253. The reversal of 655644012246 is 642210446556.

655644012246 is a `hidden beast` number, since 6 + 5 + 564 + 40 + 1 + 2 + 2 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (655644012239) and next prime (655644012253).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46571821 + ... + 46585896.

It is an arithmetic number, because the mean of its divisors is an integer number (32698359018).

Almost surely, 2^655644012246 is an apocalyptic number.

655644012246 is an abundant number, since it is smaller than the sum of its proper divisors (913877220618).

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

655644012246 is a wasteful number, since it uses less digits than its factorization.

655644012246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93157765 (or 93157762 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 655644012246 in words is "six hundred fifty-five billion, six hundred forty-four million, twelve thousand, two hundred forty-six".