51611166066612 has 48 divisors (see below), whose sum is σ = 120782426264192. Its totient is φ = 17152837326720.

The previous prime is 51611166066539. The next prime is 51611166066643. The reversal of 51611166066612 is 21666066111615.

51611166066612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 14546562 + ... + 17743302.

Almost surely, 2^{51611166066612} is an apocalyptic number.

It is an amenable number.

51611166066612 is an abundant number, since it is smaller than the sum of its proper divisors (69171260197580).

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

51611166066612 is a wasteful number, since it uses less digits than its factorization.

51611166066612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200728 (or 3200726 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 51611166066612 in words is "fifty-one trillion, six hundred eleven billion, one hundred sixty-six million, sixty-six thousand, six hundred twelve".