655001551660 has 48 divisors (see below), whose sum is σ = 1383949276416. Its totient is φ = 260392332992.

The previous prime is 655001551649. The next prime is 655001551693. The reversal of 655001551660 is 66155100556.

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 15 ways as a sum of consecutive naturals, for example, 33132939 + ... + 33152701.

It is an arithmetic number, because the mean of its divisors is an integer number (28832276592).

Almost surely, 2^655001551660 is an apocalyptic number.

It is an amenable number.

655001551660 is an abundant number, since it is smaller than the sum of its proper divisors (728947724756).

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

655001551660 is a wasteful number, since it uses less digits than its factorization.

655001551660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29862 (or 29860 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 655001551660 in words is "six hundred fifty-five billion, one million, five hundred fifty-one thousand, six hundred sixty".