305305212640616 has 16 divisors (see below), whose sum is σ = 572449103793600. Its totient is φ = 152652118295664.

The previous prime is 305305212640607. The next prime is 305305212640651. The reversal of 305305212640616 is 616046212503503.

It is a super-2 number, since 2×305305212640616² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58337456 + ... + 63355103.

It is an arithmetic number, because the mean of its divisors is an integer number (35778068987100).

Almost surely, 2^{305305212640616} is an apocalyptic number.

It is an amenable number.

305305212640616 is a deficient number, since it is larger than the sum of its proper divisors (267143891152984).

305305212640616 is a wasteful number, since it uses less digits than its factorization.

305305212640616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122006168 (or 122006164 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 305305212640616 in words is "three hundred five trillion, three hundred five billion, two hundred twelve million, six hundred forty thousand, six hundred sixteen".