18494160 has 80 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 4896256.

The previous prime is 18494131. The next prime is 18494167. The reversal of 18494160 is 6149481.

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

It is a super-4 number, since 4×18494160⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18494167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62974 + ... + 63266.

Almost surely, 2^18494160 is an apocalyptic number.

18494160 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 18494160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28873152).

18494160 is an abundant number, since it is smaller than the sum of its proper divisors (39252144).

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

18494160 is a wasteful number, since it uses less digits than its factorization.

18494160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18494160 is about 4300.4836937256. The cubic root of 18494160 is about 264.4507908831.

The spelling of 18494160 in words is "eighteen million, four hundred ninety-four thousand, one hundred sixty".