16440060 has 96 divisors (see below), whose sum is σ = 56673792. Its totient is φ = 3467520.

The previous prime is 16440043. The next prime is 16440077. The reversal of 16440060 is 6004461.

It is an interprime number because it is at equal distance from previous prime (16440043) and next prime (16440077).

It is a super-3 number, since 3×16440060³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 3955 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (590352).

Almost surely, 2^16440060 is an apocalyptic number.

16440060 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 16440060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28336896).

16440060 is an abundant number, since it is smaller than the sum of its proper divisors (40233732).

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

16440060 is a wasteful number, since it uses less digits than its factorization.

16440060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3041 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16440060 is about 4054.6343854903. The cubic root of 16440060 is about 254.2735185715.

The spelling of 16440060 in words is "sixteen million, four hundred forty thousand, sixty".