16465063361 has 4 divisors (see below), whose sum is σ = 16468812372. Its totient is φ = 16461314352.

The previous prime is 16465063309. The next prime is 16465063399. The reversal of 16465063361 is 16336056461.

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 9398139136 + 7066924225 = 96944^2 + 84065^2 .

It is a cyclic number.

It is not a de Polignac number, because 16465063361 - 2⁶ = 16465063297 is a prime.

It is a super-2 number, since 2×16465063361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16465060361) 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 3 ways as a sum of consecutive naturals, for example, 1867910 + ... + 1876703.

It is an arithmetic number, because the mean of its divisors is an integer number (4117203093).

Almost surely, 2^16465063361 is an apocalyptic number.

It is an amenable number.

16465063361 is a deficient number, since it is larger than the sum of its proper divisors (3749011).

16465063361 is an equidigital number, since it uses as much as digits as its factorization.

16465063361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749010.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 16465063361 in words is "sixteen billion, four hundred sixty-five million, sixty-three thousand, three hundred sixty-one".