16465533540077 has 2 divisors, whose sum is σ = 16465533540078. Its totient is φ = 16465533540076.

The previous prime is 16465533540073. The next prime is 16465533540119. The reversal of 16465533540077 is 77004533556461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16415835309316 + 49698230761 = 4051646^2 + 222931^2 .

It is a cyclic number.

It is not a de Polignac number, because 16465533540077 - 2² = 16465533540073 is a prime.

It is a super-2 number, since 2×16465533540077² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16465533540073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232766770038 + 8232766770039.

It is an arithmetic number, because the mean of its divisors is an integer number (8232766770039).

Almost surely, 2^{16465533540077} is an apocalyptic number.

It is an amenable number.

16465533540077 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465533540077 is an equidigital number, since it uses as much as digits as its factorization.

16465533540077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 16465533540077 in words is "sixteen trillion, four hundred sixty-five billion, five hundred thirty-three million, five hundred forty thousand, seventy-seven".