351220265916 has 48 divisors (see below), whose sum is σ = 884919730464. Its totient is φ = 107778030336.

The previous prime is 351220265911. The next prime is 351220265941. The reversal of 351220265916 is 619562022153.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351220265911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959791 + ... + 3076166.

It is an arithmetic number, because the mean of its divisors is an integer number (18435827718).

Almost surely, 2^351220265916 is an apocalyptic number.

It is an amenable number.

351220265916 is an abundant number, since it is smaller than the sum of its proper divisors (533699464548).

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

351220265916 is a wasteful number, since it uses less digits than its factorization.

351220265916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036350 (or 6036348 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 351220265916 in words is "three hundred fifty-one billion, two hundred twenty million, two hundred sixty-five thousand, nine hundred sixteen".