16661141 has 8 divisors (see below), whose sum is σ = 19149120. Its totient is φ = 14200128.

The previous prime is 16661123. The next prime is 16661143. The reversal of 16661141 is 14116661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16661141 - 2¹⁴ = 16644757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16661141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16661143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (2393640).

Almost surely, 2^16661141 is an apocalyptic number.

It is an amenable number.

16661141 is a deficient number, since it is larger than the sum of its proper divisors (2487979).

16661141 is a wasteful number, since it uses less digits than its factorization.

16661141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483.

The product of its digits is 864, while the sum is 26.

The square root of 16661141 is about 4081.8060953455. The cubic root of 16661141 is about 255.4082452077.

The spelling of 16661141 in words is "sixteen million, six hundred sixty-one thousand, one hundred forty-one".