16077638573 has 4 divisors (see below), whose sum is σ = 16078764828. Its totient is φ = 16076512320.

The previous prime is 16077638569. The next prime is 16077638581. The reversal of 16077638573 is 37583677061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1057420324 + 15020218249 = 32518^2 + 122557^2 .

It is a cyclic number.

It is not a de Polignac number, because 16077638573 - 2² = 16077638569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16077638543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541436 + ... + 570357.

It is an arithmetic number, because the mean of its divisors is an integer number (4019691207).

Almost surely, 2^16077638573 is an apocalyptic number.

It is an amenable number.

16077638573 is a deficient number, since it is larger than the sum of its proper divisors (1126255).

16077638573 is a wasteful number, since it uses less digits than its factorization.

16077638573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126254.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 16077638573 in words is "sixteen billion, seventy-seven million, six hundred thirty-eight thousand, five hundred seventy-three".