16111070077 has 2 divisors, whose sum is σ = 16111070078. Its totient is φ = 16111070076.

The previous prime is 16111070069. The next prime is 16111070093. The reversal of 16111070077 is 77007011161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16094981956 + 16088121 = 126866^2 + 4011^2 .

It is a cyclic number.

It is not a de Polignac number, because 16111070077 - 2³ = 16111070069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16111070177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8055535038 + 8055535039.

It is an arithmetic number, because the mean of its divisors is an integer number (8055535039).

Almost surely, 2^16111070077 is an apocalyptic number.

It is an amenable number.

16111070077 is a deficient number, since it is larger than the sum of its proper divisors (1).

16111070077 is an equidigital number, since it uses as much as digits as its factorization.

16111070077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058, while the sum is 31.

The spelling of 16111070077 in words is "sixteen billion, one hundred eleven million, seventy thousand, seventy-seven".