16530711641 has 8 divisors (see below), whose sum is σ = 16590879744. Its totient is φ = 16470632880.

The previous prime is 16530711629. The next prime is 16530711661. The reversal of 16530711641 is 14611703561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16530711641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16530711661) 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, 360206 + ... + 403496.

It is an arithmetic number, because the mean of its divisors is an integer number (2073859968).

Almost surely, 2^16530711641 is an apocalyptic number.

It is an amenable number.

16530711641 is a deficient number, since it is larger than the sum of its proper divisors (60168103).

16530711641 is an equidigital number, since it uses as much as digits as its factorization.

16530711641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44671.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 16530711641 in words is "sixteen billion, five hundred thirty million, seven hundred eleven thousand, six hundred forty-one".