51066160653655 has 16 divisors (see below), whose sum is σ = 70041624468480. Its totient is φ = 35012779519392.

The previous prime is 51066160653617. The next prime is 51066160653659. The reversal of 51066160653655 is 55635606166015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51066160653655 - 2⁷ = 51066160653527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51066160653596 and 51066160653605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066160653659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83364589 + ... + 83974918.

It is an arithmetic number, because the mean of its divisors is an integer number (4377601529280).

Almost surely, 2^{51066160653655} is an apocalyptic number.

51066160653655 is a deficient number, since it is larger than the sum of its proper divisors (18975463814825).

51066160653655 is a wasteful number, since it uses less digits than its factorization.

51066160653655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167348238.

The product of its (nonzero) digits is 14580000, while the sum is 55.

The spelling of 51066160653655 in words is "fifty-one trillion, sixty-six billion, one hundred sixty million, six hundred fifty-three thousand, six hundred fifty-five".