18410886145 has 8 divisors (see below), whose sum is σ = 22115228904. Its totient is φ = 14713931904.

The previous prime is 18410886119. The next prime is 18410886157. The reversal of 18410886145 is 54168801481.

It can be written as a sum of positive squares in 4 ways, for example, as 10178590321 + 8232295824 = 100889^2 + 90732^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18410886145 - 2⁷ = 18410886017 is a prime.

It is a super-2 number, since 2×18410886145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18410886095 and 18410886104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841644 + ... + 1851613.

It is an arithmetic number, because the mean of its divisors is an integer number (2764403613).

Almost surely, 2^18410886145 is an apocalyptic number.

It is an amenable number.

18410886145 is a deficient number, since it is larger than the sum of its proper divisors (3704342759).

18410886145 is an equidigital number, since it uses as much as digits as its factorization.

18410886145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694259.

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 18410886145 in words is "eighteen billion, four hundred ten million, eight hundred eighty-six thousand, one hundred forty-five".