305313161660612 has 24 divisors (see below), whose sum is σ = 612356142953856. Its totient is φ = 130477822219008.

The previous prime is 305313161660603. The next prime is 305313161660641. The reversal of 305313161660612 is 216066161313503.

It is a super-2 number, since 2×305313161660612² (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 7 ways as a sum of consecutive naturals, for example, 15444808088 + ... + 15444827855.

It is an arithmetic number, because the mean of its divisors is an integer number (25514839289744).

Almost surely, 2^{305313161660612} is an apocalyptic number.

It is an amenable number.

305313161660612 is an abundant number, since it is smaller than the sum of its proper divisors (307042981293244).

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

305313161660612 is a wasteful number, since it uses less digits than its factorization.

305313161660612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30889636307 (or 30889636305 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 305313161660612 in words is "three hundred five trillion, three hundred thirteen billion, one hundred sixty-one million, six hundred sixty thousand, six hundred twelve".