1678822316 has 12 divisors (see below), whose sum is σ = 2939250888. Its totient is φ = 839036352.

The previous prime is 1678822291. The next prime is 1678822333. The reversal of 1678822316 is 6132288761.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83501 + ... + 101636.

It is an arithmetic number, because the mean of its divisors is an integer number (244937574).

Almost surely, 2^1678822316 is an apocalyptic number.

It is an amenable number.

1678822316 is a deficient number, since it is larger than the sum of its proper divisors (1260428572).

1678822316 is a wasteful number, since it uses less digits than its factorization.

1678822316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187408 (or 187406 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 1678822316 is about 40973.4342714886. The cubic root of 1678822316 is about 1188.5065453897.

The spelling of 1678822316 in words is "one billion, six hundred seventy-eight million, eight hundred twenty-two thousand, three hundred sixteen".