16140300522561 has 32 divisors (see below), whose sum is σ = 23946764400000. Its totient is φ = 10744367114304.

The previous prime is 16140300522509. The next prime is 16140300522571. The reversal of 16140300522561 is 16522500304161.

16140300522561 is a `hidden beast` number, since 1 + 6 + 1 + 40 + 3 + 0 + 0 + 52 + 2 + 561 = 666.

It is not a de Polignac number, because 16140300522561 - 2²⁶ = 16140233413697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16140300522571) 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, 56341315 + ... + 56627063.

It is an arithmetic number, because the mean of its divisors is an integer number (748336387500).

Almost surely, 2^{16140300522561} is an apocalyptic number.

It is an amenable number.

16140300522561 is a deficient number, since it is larger than the sum of its proper divisors (7806463877439).

16140300522561 is a wasteful number, since it uses less digits than its factorization.

16140300522561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288830 (or 288824 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 16140300522561 in words is "sixteen trillion, one hundred forty billion, three hundred million, five hundred twenty-two thousand, five hundred sixty-one".