10643234516 has 6 divisors (see below), whose sum is σ = 18625660410. Its totient is φ = 5321617256.

The previous prime is 10643234501. The next prime is 10643234597. The reversal of 10643234516 is 61543234601.

It can be written as a sum of positive squares in only one way, i.e., 10009202116 + 634032400 = 100046^2 + 25180^2 .

It is a super-2 number, since 2×10643234516² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1330404311 + ... + 1330404318.

It is an arithmetic number, because the mean of its divisors is an integer number (3104276735).

Almost surely, 2^10643234516 is an apocalyptic number.

It is an amenable number.

10643234516 is a deficient number, since it is larger than the sum of its proper divisors (7982425894).

10643234516 is a wasteful number, since it uses less digits than its factorization.

10643234516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660808633 (or 2660808631 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 10643234516 in words is "ten billion, six hundred forty-three million, two hundred thirty-four thousand, five hundred sixteen".