1016600005501 has 2 divisors, whose sum is σ = 1016600005502. Its totient is φ = 1016600005500.

The previous prime is 1016600005481. The next prime is 1016600005507. The reversal of 1016600005501 is 1055000066101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784154525625 + 232445479876 = 885525^2 + 482126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016600005501 - 2¹⁷ = 1016599874429 is a prime.

It is a super-2 number, since 2×1016600005501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016600005507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508300002750 + 508300002751.

It is an arithmetic number, because the mean of its divisors is an integer number (508300002751).

Almost surely, 2^{1016600005501} is an apocalyptic number.

It is an amenable number.

1016600005501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016600005501 is an equidigital number, since it uses as much as digits as its factorization.

1016600005501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 1016600005501 in words is "one trillion, sixteen billion, six hundred million, five thousand, five hundred one".