353665122216 has 32 divisors (see below), whose sum is σ = 1010471778240. Its totient is φ = 101047177728.

The previous prime is 353665122211. The next prime is 353665122269. The reversal of 353665122216 is 612221566353.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (353665122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052574601 + ... + 1052574936.

It is an arithmetic number, because the mean of its divisors is an integer number (31577243070).

Almost surely, 2^353665122216 is an apocalyptic number.

It is an amenable number.

353665122216 is an abundant number, since it is smaller than the sum of its proper divisors (656806656024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353665122216 is a wasteful number, since it uses less digits than its factorization.

353665122216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105149553 (or 2105149549 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

Adding to 353665122216 its reverse (612221566353), we get a palindrome (965886688569).

The spelling of 353665122216 in words is "three hundred fifty-three billion, six hundred sixty-five million, one hundred twenty-two thousand, two hundred sixteen".