16144880 has 40 divisors (see below), whose sum is σ = 38836800. Its totient is φ = 6234368.

The previous prime is 16144871. The next prime is 16144897. The reversal of 16144880 is 8844161.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-5 number, since 5×16144880⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (970920).

Almost surely, 2^16144880 is an apocalyptic number.

16144880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16144880 is an abundant number, since it is smaller than the sum of its proper divisors (22691920).

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

16144880 is a wasteful number, since it uses less digits than its factorization.

16144880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 16144880 is about 4018.0691880554. The cubic root of 16144880 is about 252.7424981378.

The spelling of 16144880 in words is "sixteen million, one hundred forty-four thousand, eight hundred eighty".