16700052505 has 16 divisors (see below), whose sum is σ = 20345102784. Its totient is φ = 13156799040.

The previous prime is 16700052503. The next prime is 16700052511. The reversal of 16700052505 is 50525000761.

16700052505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16700052505 - 2¹ = 16700052503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16700052503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848379 + ... + 1857391.

It is an arithmetic number, because the mean of its divisors is an integer number (1271568924).

Almost surely, 2^16700052505 is an apocalyptic number.

It is an amenable number.

16700052505 is a deficient number, since it is larger than the sum of its proper divisors (3645050279).

16700052505 is an equidigital number, since it uses as much as digits as its factorization.

16700052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 16700052505 in words is "sixteen billion, seven hundred million, fifty-two thousand, five hundred five".