306887166378 has 192 divisors, whose sum is σ = 768425898240. Its totient is φ = 87824507904.

The previous prime is 306887166373. The next prime is 306887166473. The reversal of 306887166378 is 873661788603.

It is not an unprimeable number, because it can be changed into a prime (306887166373) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21294051 + ... + 21308457.

It is an arithmetic number, because the mean of its divisors is an integer number (4002218220).

Almost surely, 2^306887166378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306887166378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384212949120).

306887166378 is an abundant number, since it is smaller than the sum of its proper divisors (461538731862).

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

306887166378 is a wasteful number, since it uses less digits than its factorization.

306887166378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 306887166378 in words is "three hundred six billion, eight hundred eighty-seven million, one hundred sixty-six thousand, three hundred seventy-eight".