16375553089 has 27 divisors (see below), whose sum is σ = 19346468553. Its totient is φ = 13820436000.

The previous prime is 16375553083. The next prime is 16375553111. The reversal of 16375553089 is 98035557361.

The square root of 16375553089 is 127967.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 144793089 + 16230760000 = 12033^2 + 127400^2 .

It is not a de Polignac number, because 16375553089 - 2⁹ = 16375552577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16375553083) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 90472579 + ... + 90472759.

Almost surely, 2^16375553089 is an apocalyptic number.

16375553089 is the 127967-th square number.

16375553089 is the 63984-th centered octagonal number.

It is an amenable number.

16375553089 is a deficient number, since it is larger than the sum of its proper divisors (2970915464).

16375553089 is an frugal number, since it uses more digits than its factorization.

16375553089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 16375553089 in words is "sixteen billion, three hundred seventy-five million, five hundred fifty-three thousand, eighty-nine".