350304220665 has 96 divisors (see below), whose sum is σ = 744452916480. Its totient is φ = 154616926464.

The previous prime is 350304220627. The next prime is 350304220699. The reversal of 350304220665 is 566022403053.

350304220665 is a `hidden beast` number, since 350 + 3 + 0 + 42 + 206 + 65 = 666.

It is not a de Polignac number, because 350304220665 - 2¹⁰ = 350304219641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 463494 + ... + 956783.

It is an arithmetic number, because the mean of its divisors is an integer number (7754717880).

Almost surely, 2^350304220665 is an apocalyptic number.

350304220665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

350304220665 is an abundant number, since it is smaller than the sum of its proper divisors (394148695815).

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

350304220665 is a wasteful number, since it uses less digits than its factorization.

350304220665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420333 (or 1420321 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 350304220665 in words is "three hundred fifty billion, three hundred four million, two hundred twenty thousand, six hundred sixty-five".