651066110660 has 48 divisors (see below), whose sum is σ = 1616440008960. Its totient is φ = 215525331840.

The previous prime is 651066110659. The next prime is 651066110671. The reversal of 651066110660 is 66011660156.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80176496 + ... + 80184615.

It is an arithmetic number, because the mean of its divisors is an integer number (33675833520).

Almost surely, 2^651066110660 is an apocalyptic number.

It is an amenable number.

651066110660 is an abundant number, since it is smaller than the sum of its proper divisors (965373898300).

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

651066110660 is a wasteful number, since it uses less digits than its factorization.

651066110660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160361156 (or 160361154 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 651066110660 in words is "six hundred fifty-one billion, sixty-six million, one hundred ten thousand, six hundred sixty".