16140943 has 12 divisors (see below), whose sum is σ = 20221320. Its totient is φ = 12770352.

The previous prime is 16140931. The next prime is 16140947. The reversal of 16140943 is 34904161.

It is not a de Polignac number, because 16140943 - 2¹³ = 16132751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12033 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (1685110).

Almost surely, 2^16140943 is an apocalyptic number.

16140943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16140943 is a deficient number, since it is larger than the sum of its proper divisors (4080377).

16140943 is a wasteful number, since it uses less digits than its factorization.

16140943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25366 (or 25359 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16140943 is about 4017.5792462626. The cubic root of 16140943 is about 252.7219523443.

The spelling of 16140943 in words is "sixteen million, one hundred forty thousand, nine hundred forty-three".