16516279291795 has 4 divisors (see below), whose sum is σ = 19819535150160. Its totient is φ = 13213023433432.

The previous prime is 16516279291793. The next prime is 16516279291819. The reversal of 16516279291795 is 59719297261561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16516279291795 - 2¹ = 16516279291793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16516279291793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651627929175 + ... + 1651627929184.

It is an arithmetic number, because the mean of its divisors is an integer number (4954883787540).

Almost surely, 2^{16516279291795} is an apocalyptic number.

16516279291795 is a deficient number, since it is larger than the sum of its proper divisors (3303255858365).

16516279291795 is an equidigital number, since it uses as much as digits as its factorization.

16516279291795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303255858364.

The product of its digits is 128595600, while the sum is 70.

The spelling of 16516279291795 in words is "sixteen trillion, five hundred sixteen billion, two hundred seventy-nine million, two hundred ninety-one thousand, seven hundred ninety-five".