18098500069464 has 128 divisors (see below), whose sum is σ = 47507564966400. Its totient is φ = 5734703969280.

The previous prime is 18098500069399. The next prime is 18098500069537. The reversal of 18098500069464 is 46496000589081.

It is a junction number, because it is equal to n+sod(n) for n = 18098500069398 and 18098500069407.

It is a congruent number.

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, 57030622 + ... + 57347090.

It is an arithmetic number, because the mean of its divisors is an integer number (371152851300).

Almost surely, 2^{18098500069464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18098500069464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23753782483200).

18098500069464 is an abundant number, since it is smaller than the sum of its proper divisors (29409064896936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18098500069464 is a wasteful number, since it uses less digits than its factorization.

18098500069464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317145 (or 317141 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 18098500069464 in words is "eighteen trillion, ninety-eight billion, five hundred million, sixty-nine thousand, four hundred sixty-four".