16528160561 has 8 divisors (see below), whose sum is σ = 18450040224. Its totient is φ = 14676167520.

The previous prime is 16528160549. The next prime is 16528160569. The reversal of 16528160561 is 16506182561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16528160561 - 2³⁰ = 15454418737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16528160569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17471156 + ... + 17472101.

It is an arithmetic number, because the mean of its divisors is an integer number (2306255028).

Almost surely, 2^16528160561 is an apocalyptic number.

16528160561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16528160561 is a deficient number, since it is larger than the sum of its proper divisors (1921879663).

16528160561 is a wasteful number, since it uses less digits than its factorization.

16528160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34943311.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 16528160561 in words is "sixteen billion, five hundred twenty-eight million, one hundred sixty thousand, five hundred sixty-one".