16528118107 has 4 divisors (see below), whose sum is σ = 17398019080. Its totient is φ = 15658217136.

The previous prime is 16528118093. The next prime is 16528118119. The reversal of 16528118107 is 70181182561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70181182561 = 7 ⋅10025883223.

It is a cyclic number.

It is not a de Polignac number, because 16528118107 - 2⁷ = 16528117979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16528118107.

It is not an unprimeable number, because it can be changed into a prime (16528118207) 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, 434950458 + ... + 434950495.

It is an arithmetic number, because the mean of its divisors is an integer number (4349504770).

Almost surely, 2^16528118107 is an apocalyptic number.

16528118107 is a deficient number, since it is larger than the sum of its proper divisors (869900973).

16528118107 is an equidigital number, since it uses as much as digits as its factorization.

16528118107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869900972.

The product of its (nonzero) digits is 26880, while the sum is 40.

The spelling of 16528118107 in words is "sixteen billion, five hundred twenty-eight million, one hundred eighteen thousand, one hundred seven".