8020628551660 has 12 divisors (see below), whose sum is σ = 16843319958528. Its totient is φ = 3208251420656.

The previous prime is 8020628551631. The next prime is 8020628551673. The reversal of 8020628551660 is 661558260208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200515713772 + ... + 200515713811.

It is an arithmetic number, because the mean of its divisors is an integer number (1403609996544).

Almost surely, 2^{8020628551660} is an apocalyptic number.

It is an amenable number.

8020628551660 is an abundant number, since it is smaller than the sum of its proper divisors (8822691406868).

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

8020628551660 is a wasteful number, since it uses less digits than its factorization.

8020628551660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401031427592 (or 401031427590 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 8020628551660 in words is "eight trillion, twenty billion, six hundred twenty-eight million, five hundred fifty-one thousand, six hundred sixty".