1816382353522 has 16 divisors (see below), whose sum is σ = 3128696877600. Its totient is φ = 782174219040.

The previous prime is 1816382353517. The next prime is 1816382353529. The reversal of 1816382353522 is 2253532836181.

It is a super-2 number, since 2×1816382353522² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1816382353529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172705747 + ... + 2172706582.

It is an arithmetic number, because the mean of its divisors is an integer number (195543554850).

Almost surely, 2^{1816382353522} is an apocalyptic number.

1816382353522 is a deficient number, since it is larger than the sum of its proper divisors (1312314524078).

1816382353522 is a wasteful number, since it uses less digits than its factorization.

1816382353522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345412361.

The product of its digits is 2073600, while the sum is 49.

The spelling of 1816382353522 in words is "one trillion, eight hundred sixteen billion, three hundred eighty-two million, three hundred fifty-three thousand, five hundred twenty-two".