1678117067370 has 96 divisors (see below), whose sum is σ = 4470007598784. Its totient is φ = 436535827200.

The previous prime is 1678117067273. The next prime is 1678117067377. The reversal of 1678117067370 is 737607118761.

It is not an unprimeable number, because it can be changed into a prime (1678117067377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45039969 + ... + 45077211.

It is an arithmetic number, because the mean of its divisors is an integer number (46562579154).

Almost surely, 2^{1678117067370} is an apocalyptic number.

1678117067370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1678117067370 is an abundant number, since it is smaller than the sum of its proper divisors (2791890531414).

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

1678117067370 is a wasteful number, since it uses less digits than its factorization.

1678117067370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49508 (or 49505 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 1678117067370 in words is "one trillion, six hundred seventy-eight billion, one hundred seventeen million, sixty-seven thousand, three hundred seventy".