1816252071 has 16 divisors (see below), whose sum is σ = 2527549920. Its totient is φ = 1159009280.

The previous prime is 1816252057. The next prime is 1816252073. The reversal of 1816252071 is 1702526181.

1816252071 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1816252071 - 2¹³ = 1816243879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816252073) 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, 132786 + ... + 145823.

It is an arithmetic number, because the mean of its divisors is an integer number (157971870).

Almost surely, 2^1816252071 is an apocalyptic number.

1816252071 is a deficient number, since it is larger than the sum of its proper divisors (711297849).

1816252071 is a wasteful number, since it uses less digits than its factorization.

1816252071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278706.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 1816252071 is about 42617.5089722522. The cubic root of 1816252071 is about 1220.0904866595.

The spelling of 1816252071 in words is "one billion, eight hundred sixteen million, two hundred fifty-two thousand, seventy-one".