16325016077 has 2 divisors, whose sum is σ = 16325016078. Its totient is φ = 16325016076.

The previous prime is 16325016073. The next prime is 16325016131. The reversal of 16325016077 is 77061052361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15222377641 + 1102638436 = 123379^2 + 33206^2 .

It is a cyclic number.

It is not a de Polignac number, because 16325016077 - 2² = 16325016073 is a prime.

It is a super-2 number, since 2×16325016077² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16325016077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16325016073) 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, 8162508038 + 8162508039.

It is an arithmetic number, because the mean of its divisors is an integer number (8162508039).

Almost surely, 2^16325016077 is an apocalyptic number.

It is an amenable number.

16325016077 is a deficient number, since it is larger than the sum of its proper divisors (1).

16325016077 is an equidigital number, since it uses as much as digits as its factorization.

16325016077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 16325016077 in words is "sixteen billion, three hundred twenty-five million, sixteen thousand, seventy-seven".