16245536505 has 16 divisors (see below), whose sum is σ = 28355845824. Its totient is φ = 7876623680.

The previous prime is 16245536491. The next prime is 16245536509. The reversal of 16245536505 is 50563554261.

It is not a de Polignac number, because 16245536505 - 2¹⁵ = 16245503737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16245536509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49228734 + ... + 49229063.

It is an arithmetic number, because the mean of its divisors is an integer number (1772240364).

Almost surely, 2^16245536505 is an apocalyptic number.

16245536505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16245536505 is a deficient number, since it is larger than the sum of its proper divisors (12110309319).

16245536505 is a wasteful number, since it uses less digits than its factorization.

16245536505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98457816.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 16245536505 in words is "sixteen billion, two hundred forty-five million, five hundred thirty-six thousand, five hundred five".