18148832198016 has 128 divisors (see below), whose sum is σ = 53590844912640. Its totient is φ = 5404118722560.

The previous prime is 18148832197987. The next prime is 18148832198023. The reversal of 18148832198016 is 61089123884181.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×18148832198016² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58483690 + ... + 58793193.

It is an arithmetic number, because the mean of its divisors is an integer number (418678475880).

Almost surely, 2^{18148832198016} is an apocalyptic number.

18148832198016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18148832198016 is an abundant number, since it is smaller than the sum of its proper divisors (35442012714624).

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

18148832198016 is a wasteful number, since it uses less digits than its factorization.

18148832198016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117276944 (or 117276932 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 60.

The spelling of 18148832198016 in words is "eighteen trillion, one hundred forty-eight billion, eight hundred thirty-two million, one hundred ninety-eight thousand, sixteen".