16366137433 has 2 divisors, whose sum is σ = 16366137434. Its totient is φ = 16366137432.

The previous prime is 16366137419. The next prime is 16366137481. The reversal of 16366137433 is 33473166361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12367219264 + 3998918169 = 111208^2 + 63237^2 .

It is an emirp because it is prime and its reverse (33473166361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16366137433 - 2⁵ = 16366137401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16366137433.

It is not a weakly prime, because it can be changed into another prime (16366137233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8183068716 + 8183068717.

It is an arithmetic number, because the mean of its divisors is an integer number (8183068717).

Almost surely, 2^16366137433 is an apocalyptic number.

It is an amenable number.

16366137433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16366137433 is an equidigital number, since it uses as much as digits as its factorization.

16366137433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 43.

The spelling of 16366137433 in words is "sixteen billion, three hundred sixty-six million, one hundred thirty-seven thousand, four hundred thirty-three".