16071240 has 64 divisors (see below), whose sum is σ = 48528000. Its totient is φ = 4257792.

The previous prime is 16071229. The next prime is 16071241. The reversal of 16071240 is 4217061.

16071240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16071241) 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, 23544 + ... + 24216.

It is an arithmetic number, because the mean of its divisors is an integer number (758250).

Almost surely, 2^16071240 is an apocalyptic number.

16071240 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 16071240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24264000).

16071240 is an abundant number, since it is smaller than the sum of its proper divisors (32456760).

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

16071240 is a wasteful number, since it uses less digits than its factorization.

16071240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16071240 is about 4008.8951096281. The cubic root of 16071240 is about 252.3576428545.

The spelling of 16071240 in words is "sixteen million, seventy-one thousand, two hundred forty".