16106516515 has 4 divisors (see below), whose sum is σ = 19327819824. Its totient is φ = 12885213208.

The previous prime is 16106516507. The next prime is 16106516593. The reversal of 16106516515 is 51561560161.

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 16106516515 - 2³ = 16106516507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610651647 + ... + 1610651656.

It is an arithmetic number, because the mean of its divisors is an integer number (4831954956).

Almost surely, 2^16106516515 is an apocalyptic number.

16106516515 is a deficient number, since it is larger than the sum of its proper divisors (3221303309).

16106516515 is an equidigital number, since it uses as much as digits as its factorization.

16106516515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221303308.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 16106516515 in words is "sixteen billion, one hundred six million, five hundred sixteen thousand, five hundred fifteen".