16505446536 has 48 divisors (see below), whose sum is σ = 44709250560. Its totient is φ = 5500954080.

The previous prime is 16505446519. The next prime is 16505446579. The reversal of 16505446536 is 63564450561.

16505446536 is a `hidden beast` number, since 1 + 6 + 50 + 544 + 6 + 53 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16505446491 and 16505446500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584601 + ... + 612183.

It is an arithmetic number, because the mean of its divisors is an integer number (931442720).

Almost surely, 2^16505446536 is an apocalyptic number.

It is an amenable number.

16505446536 is an abundant number, since it is smaller than the sum of its proper divisors (28203804024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16505446536 is a wasteful number, since it uses less digits than its factorization.

16505446536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35906 (or 35899 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 16505446536 in words is "sixteen billion, five hundred five million, four hundred forty-six thousand, five hundred thirty-six".