655001651660 has 24 divisors (see below), whose sum is σ = 1447898388720. Its totient is φ = 248211152064.

The previous prime is 655001651593. The next prime is 655001651677. The reversal of 655001651660 is 66156100556.

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 7 ways as a sum of consecutive naturals, for example, 861843899 + ... + 861844658.

It is an arithmetic number, because the mean of its divisors is an integer number (60329099530).

Almost surely, 2^655001651660 is an apocalyptic number.

It is an amenable number.

655001651660 is an abundant number, since it is smaller than the sum of its proper divisors (792896737060).

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

655001651660 is a wasteful number, since it uses less digits than its factorization.

655001651660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723688585 (or 1723688583 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 655001651660 in words is "six hundred fifty-five billion, one million, six hundred fifty-one thousand, six hundred sixty".