16534618316368 has 10 divisors (see below), whose sum is σ = 32035822987994. Its totient is φ = 8267309158176.

The previous prime is 16534618316309. The next prime is 16534618316389. The reversal of 16534618316368 is 86361381643561.

It can be written as a sum of positive squares in only one way, i.e., 16499421554704 + 35196761664 = 4061948^2 + 187608^2 .

It is a super-2 number, since 2×16534618316368² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516706822371 + ... + 516706822402.

Almost surely, 2^{16534618316368} is an apocalyptic number.

It is an amenable number.

16534618316368 is a deficient number, since it is larger than the sum of its proper divisors (15501204671626).

16534618316368 is a wasteful number, since it uses less digits than its factorization.

16534618316368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033413644781 (or 1033413644775 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 16534618316368 in words is "sixteen trillion, five hundred thirty-four billion, six hundred eighteen million, three hundred sixteen thousand, three hundred sixty-eight".