18425000169 has 12 divisors (see below), whose sum is σ = 28014620400. Its totient is φ = 11636842104.

The previous prime is 18425000119. The next prime is 18425000177. The reversal of 18425000169 is 96100052481.

It is not a de Polignac number, because 18425000169 - 2⁹ = 18424999657 is a prime.

It is a super-2 number, since 2×18425000169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18425000119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53874099 + ... + 53874440.

It is an arithmetic number, because the mean of its divisors is an integer number (2334551700).

Almost surely, 2^18425000169 is an apocalyptic number.

18425000169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18425000169 is a deficient number, since it is larger than the sum of its proper divisors (9589620231).

18425000169 is a wasteful number, since it uses less digits than its factorization.

18425000169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107748564 (or 107748561 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 18425000169 in words is "eighteen billion, four hundred twenty-five million, one hundred sixty-nine", and thus it is an aban number.