16641312303 has 32 divisors (see below), whose sum is σ = 27753707520. Its totient is φ = 8616641760.

The previous prime is 16641312287. The next prime is 16641312307. The reversal of 16641312303 is 30321314661.

It is not a de Polignac number, because 16641312303 - 2⁴ = 16641312287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16641312307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46413 + ... + 188246.

It is an arithmetic number, because the mean of its divisors is an integer number (867303360).

Almost surely, 2^16641312303 is an apocalyptic number.

16641312303 is a deficient number, since it is larger than the sum of its proper divisors (11112395217).

16641312303 is a wasteful number, since it uses less digits than its factorization.

16641312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234987.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 16641312303 its reverse (30321314661), we get a palindrome (46962626964).

The spelling of 16641312303 in words is "sixteen billion, six hundred forty-one million, three hundred twelve thousand, three hundred three".