651066565116 has 24 divisors (see below), whose sum is σ = 1657260347904. Its totient is φ = 197292898480.

The previous prime is 651066565069. The next prime is 651066565151. The reversal of 651066565116 is 611565660156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466161100 + ... + 2466161363.

It is an arithmetic number, because the mean of its divisors is an integer number (69052514496).

Almost surely, 2^651066565116 is an apocalyptic number.

651066565116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

651066565116 is an abundant number, since it is smaller than the sum of its proper divisors (1006193782788).

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

651066565116 is a wasteful number, since it uses less digits than its factorization.

651066565116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932322481 (or 4932322479 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 651066565116 in words is "six hundred fifty-one billion, sixty-six million, five hundred sixty-five thousand, one hundred sixteen".