64161421311303 has 12 divisors (see below), whose sum is σ = 92919586656000. Its totient is φ = 42662598676416.

The previous prime is 64161421311277. The next prime is 64161421311313. The reversal of 64161421311303 is 30311312416146.

64161421311303 is a `hidden beast` number, since 6 + 4 + 1 + 6 + 14 + 21 + 311 + 303 = 666.

It is not a de Polignac number, because 64161421311303 - 2³⁴ = 64144241442119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64161421311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9306846178 + ... + 9306853071.

It is an arithmetic number, because the mean of its divisors is an integer number (7743298888000).

Almost surely, 2^{64161421311303} is an apocalyptic number.

64161421311303 is a deficient number, since it is larger than the sum of its proper divisors (28758165344697).

64161421311303 is a wasteful number, since it uses less digits than its factorization.

64161421311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18613699638 (or 18613699635 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 64161421311303 its reverse (30311312416146), we get a palindrome (94472733727449).

The spelling of 64161421311303 in words is "sixty-four trillion, one hundred sixty-one billion, four hundred twenty-one million, three hundred eleven thousand, three hundred three".