16401085 has 8 divisors (see below), whose sum is σ = 20717280. Its totient is φ = 12430224.

The previous prime is 16401083. The next prime is 16401097. The reversal of 16401085 is 58010461.

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 16401085 - 2¹ = 16401083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401083) 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, 86227 + ... + 86416.

It is an arithmetic number, because the mean of its divisors is an integer number (2589660).

Almost surely, 2^16401085 is an apocalyptic number.

It is an amenable number.

16401085 is a deficient number, since it is larger than the sum of its proper divisors (4316195).

16401085 is a wasteful number, since it uses less digits than its factorization.

16401085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172667.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 16401085 is about 4049.8253048743. The cubic root of 16401085 is about 254.0724213272.

The spelling of 16401085 in words is "sixteen million, four hundred one thousand, eighty-five".