16546390353 has 6 divisors (see below), whose sum is σ = 23900341634. Its totient is φ = 11030926896.

The previous prime is 16546390349. The next prime is 16546390379. The reversal of 16546390353 is 35309364561.

16546390353 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 639 + 0 + 3 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15344520129 + 1201870224 = 123873^2 + 34668^2 .

It is not a de Polignac number, because 16546390353 - 2² = 16546390349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16546390299 and 16546390308.

It is not an unprimeable number, because it can be changed into a prime (16546490353) 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 in 5 ways as a sum of consecutive naturals, for example, 919243900 + ... + 919243917.

Almost surely, 2^16546390353 is an apocalyptic number.

It is an amenable number.

16546390353 is a deficient number, since it is larger than the sum of its proper divisors (7353951281).

16546390353 is a wasteful number, since it uses less digits than its factorization.

16546390353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838487823 (or 1838487820 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 16546390353 in words is "sixteen billion, five hundred forty-six million, three hundred ninety thousand, three hundred fifty-three".