655970459760 has 1920 divisors, whose sum is σ = 3008378880000. Its totient is φ = 126601574400.

The previous prime is 655970459747. The next prime is 655970459773. The reversal of 655970459760 is 67954079556.

655970459760 is a `hidden beast` number, since 6 + 5 + 59 + 70 + 459 + 7 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (655970459747) and next prime (655970459773).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3664639351 + ... + 3664639529.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864000).

Almost surely, 2^655970459760 is an apocalyptic number.

655970459760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655970459760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504189440000).

655970459760 is an abundant number, since it is smaller than the sum of its proper divisors (2352408420240).

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

655970459760 is a wasteful number, since it uses less digits than its factorization.

655970459760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 63.

The spelling of 655970459760 in words is "six hundred fifty-five billion, nine hundred seventy million, four hundred fifty-nine thousand, seven hundred sixty".