10180018 has 4 divisors (see below), whose sum is σ = 15270030. Its totient is φ = 5090008.

The previous prime is 10179989. The next prime is 10180021. The reversal of 10180018 is 81008101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81008101 = 79 ⋅1025419.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 3508129 = 2583^2 + 1873^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10179977 and 10180004.

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 as a sum of consecutive naturals, namely, 2545003 + ... + 2545006.

Almost surely, 2^10180018 is an apocalyptic number.

10180018 is a deficient number, since it is larger than the sum of its proper divisors (5090012).

10180018 is an equidigital number, since it uses as much as digits as its factorization.

10180018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090011.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 10180018 is about 3190.6140474837. The cubic root of 10180018 is about 216.7285782311.

Adding to 10180018 its reverse (81008101), we get a palindrome (91188119).

The spelling of 10180018 in words is "ten million, one hundred eighty thousand, eighteen".