1678608670 has 32 divisors (see below), whose sum is σ = 3048645600. Its totient is φ = 665431680.

The previous prime is 1678608667. The next prime is 1678608697. The reversal of 1678608670 is 768068761.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 849804 + ... + 851776.

It is an arithmetic number, because the mean of its divisors is an integer number (95270175).

Almost surely, 2^1678608670 is an apocalyptic number.

1678608670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1678608670 is a deficient number, since it is larger than the sum of its proper divisors (1370036930).

1678608670 is a wasteful number, since it uses less digits than its factorization.

1678608670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 1678608670 is about 40970.8270602388. The cubic root of 1678608670 is about 1188.4561270223.

The spelling of 1678608670 in words is "one billion, six hundred seventy-eight million, six hundred eight thousand, six hundred seventy".