16535688159976 has 16 divisors (see below), whose sum is σ = 31084118172900. Its totient is φ = 8246589980544.

The previous prime is 16535688159961. The next prime is 16535688160001. The reversal of 16535688159976 is 67995188653561.

It can be written as a sum of positive squares in 2 ways, for example, as 15992592857476 + 543095302500 = 3999074^2 + 736950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16535688159896 and 16535688159905.

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 in 3 ways as a sum of consecutive naturals, for example, 2656759125 + ... + 2656765348.

Almost surely, 2^{16535688159976} is an apocalyptic number.

It is an amenable number.

16535688159976 is a deficient number, since it is larger than the sum of its proper divisors (14548430012924).

16535688159976 is a wasteful number, since it uses less digits than its factorization.

16535688159976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313524868 (or 5313524864 counting only the distinct ones).

The product of its digits is 2939328000, while the sum is 79.

The spelling of 16535688159976 in words is "sixteen trillion, five hundred thirty-five billion, six hundred eighty-eight million, one hundred fifty-nine thousand, nine hundred seventy-six".