16267140 has 36 divisors (see below), whose sum is σ = 49344204. Its totient is φ = 4337856.

The previous prime is 16267117. The next prime is 16267169. The reversal of 16267140 is 4176261.

16267140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1887876 + 14379264 = 1374^2 + 3792^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45007 + ... + 45366.

Almost surely, 2^16267140 is an apocalyptic number.

16267140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16267140 is an abundant number, since it is smaller than the sum of its proper divisors (33077064).

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

16267140 is a wasteful number, since it uses less digits than its factorization.

16267140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90388 (or 90383 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16267140 is about 4033.2542691975. The cubic root of 16267140 is about 253.3788737766.

The spelling of 16267140 in words is "sixteen million, two hundred sixty-seven thousand, one hundred forty".