18160346480 has 80 divisors (see below), whose sum is σ = 43544088000. Its totient is φ = 7039211520.

The previous prime is 18160346423. The next prime is 18160346507. The reversal of 18160346480 is 8464306181.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470141 + ... + 507299.

It is an arithmetic number, because the mean of its divisors is an integer number (544301100).

Almost surely, 2^18160346480 is an apocalyptic number.

18160346480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18160346480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772044000).

18160346480 is an abundant number, since it is smaller than the sum of its proper divisors (25383741520).

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

18160346480 is a wasteful number, since it uses less digits than its factorization.

18160346480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37362 (or 37356 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 18160346480 in words is "eighteen billion, one hundred sixty million, three hundred forty-six thousand, four hundred eighty".