16530731546730 has 64 divisors (see below), whose sum is σ = 40752255230208. Its totient is φ = 4288398266880.

The previous prime is 16530731546711. The next prime is 16530731546731. The reversal of 16530731546730 is 3764513703561.

It is not an unprimeable number, because it can be changed into a prime (16530731546731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6137515 + ... + 8410145.

It is an arithmetic number, because the mean of its divisors is an integer number (636753987972).

Almost surely, 2^{16530731546730} is an apocalyptic number.

16530731546730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16530731546730 is an abundant number, since it is smaller than the sum of its proper divisors (24221523683478).

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

16530731546730 is a wasteful number, since it uses less digits than its factorization.

16530731546730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279231.

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 16530731546730 in words is "sixteen trillion, five hundred thirty billion, seven hundred thirty-one million, five hundred forty-six thousand, seven hundred thirty".