8103420185 has 32 divisors (see below), whose sum is σ = 11292307200. Its totient is φ = 5467714560.

The previous prime is 8103420173. The next prime is 8103420203. The reversal of 8103420185 is 5810243018.

It is not a de Polignac number, because 8103420185 - 2⁶ = 8103420121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651101 + ... + 663429.

It is an arithmetic number, because the mean of its divisors is an integer number (352884600).

Almost surely, 2^8103420185 is an apocalyptic number.

It is an amenable number.

8103420185 is a deficient number, since it is larger than the sum of its proper divisors (3188887015).

8103420185 is a wasteful number, since it uses less digits than its factorization.

8103420185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8103420185 is about 90018.9990224286. Note that the first 3 decimals coincide. The cubic root of 8103420185 is about 2008.5814752286.

The spelling of 8103420185 in words is "eight billion, one hundred three million, four hundred twenty thousand, one hundred eighty-five".