16853520207 has 16 divisors (see below), whose sum is σ = 22709845760. Its totient is φ = 11116507392.

The previous prime is 16853520149. The next prime is 16853520209. The reversal of 16853520207 is 70202535861.

It is not a de Polignac number, because 16853520207 - 2¹¹ = 16853518159 is a prime.

It is a super-2 number, since 2×16853520207² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16853520209) 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, 1298094 + ... + 1311012.

It is an arithmetic number, because the mean of its divisors is an integer number (1419365360).

Almost surely, 2^16853520207 is an apocalyptic number.

16853520207 is a deficient number, since it is larger than the sum of its proper divisors (5856325553).

16853520207 is a wasteful number, since it uses less digits than its factorization.

16853520207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 16853520207 in words is "sixteen billion, eight hundred fifty-three million, five hundred twenty thousand, two hundred seven".