101660056651 has 2 divisors, whose sum is σ = 101660056652. Its totient is φ = 101660056650.

The previous prime is 101660056639. The next prime is 101660056669. The reversal of 101660056651 is 156650066101.

It is a weak prime.

It is an emirp because it is prime and its reverse (156650066101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101660056651 - 2¹⁹ = 101659532363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101660056651.

It is not a weakly prime, because it can be changed into another prime (101660051651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50830028325 + 50830028326.

It is an arithmetic number, because the mean of its divisors is an integer number (50830028326).

Almost surely, 2^101660056651 is an apocalyptic number.

101660056651 is a deficient number, since it is larger than the sum of its proper divisors (1).

101660056651 is an equidigital number, since it uses as much as digits as its factorization.

101660056651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 101660056651 in words is "one hundred one billion, six hundred sixty million, fifty-six thousand, six hundred fifty-one".