1678130258 has 8 divisors (see below), whose sum is σ = 2876794752. Its totient is φ = 719198676.

The previous prime is 1678130257. The next prime is 1678130261. The reversal of 1678130258 is 8520318761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1678130258² = 5632242325630293128, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1678130257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59933210 + ... + 59933237.

It is an arithmetic number, because the mean of its divisors is an integer number (359599344).

Almost surely, 2^1678130258 is an apocalyptic number.

1678130258 is a deficient number, since it is larger than the sum of its proper divisors (1198664494).

1678130258 is a wasteful number, since it uses less digits than its factorization.

1678130258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119866456.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1678130258 is about 40964.9881972398. The cubic root of 1678130258 is about 1188.3432109494.

The spelling of 1678130258 in words is "one billion, six hundred seventy-eight million, one hundred thirty thousand, two hundred fifty-eight".