1316117858 has 16 divisors (see below), whose sum is σ = 2155256640. Its totient is φ = 597788400.

The previous prime is 1316117851. The next prime is 1316117863. The reversal of 1316117858 is 8587116131.

It is a super-2 number, since 2×1316117858² = 3464332432293016328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316117851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8723 + ... + 52041.

It is an arithmetic number, because the mean of its divisors is an integer number (134703540).

Almost surely, 2^1316117858 is an apocalyptic number.

1316117858 is a deficient number, since it is larger than the sum of its proper divisors (839138782).

1316117858 is a wasteful number, since it uses less digits than its factorization.

1316117858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44713.

The product of its digits is 40320, while the sum is 41.

The square root of 1316117858 is about 36278.3386885342. The cubic root of 1316117858 is about 1095.8848606779.

The spelling of 1316117858 in words is "one billion, three hundred sixteen million, one hundred seventeen thousand, eight hundred fifty-eight".