655706016 has 240 divisors, whose sum is σ = 2239332480. Its totient is φ = 184343040.

The previous prime is 655705991. The next prime is 655706021. The reversal of 655706016 is 610607556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1287970 + ... + 1288478.

It is an arithmetic number, because the mean of its divisors is an integer number (9330552).

Almost surely, 2^655706016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655706016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119666240).

655706016 is an abundant number, since it is smaller than the sum of its proper divisors (1583626464).

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

655706016 is a wasteful number, since it uses less digits than its factorization.

655706016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 655706016 is about 25606.7572331992. The cubic root of 655706016 is about 868.7664801939.

The spelling of 655706016 in words is "six hundred fifty-five million, seven hundred six thousand, sixteen".